Home / 3,565.43-4,910.15-3,489.11

Finding the Fourth Proportional to 3,565.43, 4,910.15 and 3,489.11

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Solution

The fourth proportional to 3,565.43, 4,910.15 and 3,489.11 is: 4,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.43 : 4,910.15 = 3,489.11 : x
  2. Step 2: Convert to fraction form
    3,565.43/4,910.15 = 3,489.11/x
  3. Step 3: Cross multiply
    3,565.43x = 4,910.15 × 3,489.11
  4. Step 4: Simplify right side
    3,565.43x = 17,132,037.64
  5. Step 5: Solve for x
    x = 17,132,037.64/3,565.43
  6. Step 6: Final answer
    x = 4,805.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.