Home / 3,608.09-5,431.29-2,575.25

Finding the Fourth Proportional to 3,608.09, 5,431.29 and 2,575.25

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Solution

The fourth proportional to 3,608.09, 5,431.29 and 2,575.25 is: 3,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.09 : 5,431.29 = 2,575.25 : x
  2. Step 2: Convert to fraction form
    3,608.09/5,431.29 = 2,575.25/x
  3. Step 3: Cross multiply
    3,608.09x = 5,431.29 × 2,575.25
  4. Step 4: Simplify right side
    3,608.09x = 13,986,929.57
  5. Step 5: Solve for x
    x = 13,986,929.57/3,608.09
  6. Step 6: Final answer
    x = 3,876.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.