Using proportions, it is found that the amount that you have to save each month to fund it in 8 months is of $416.70.
A proportion is a fraction of a total amount, and the measures are related using a rule of three.
You have 100 - 54 = 46% in fixed expenses a month. Hence the amount is given by:
F = 0.46 x $2,415.64.
You want to save this amount for 3 months, in 8 months, hence the monthly amount is given by:
M = F x 3/8 = 0.46 x $2,415.64 x 3/8 = $416.70.
More can be learned about proportions at https://brainly.com/question/24372153
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