Home / 3,712.92-5,565.54-1,605.90

Finding the Fourth Proportional to 3,712.92, 5,565.54 and 1,605.90

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Solution

The fourth proportional to 3,712.92, 5,565.54 and 1,605.90 is: 2,407.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.92 : 5,565.54 = 1,605.90 : x
  2. Step 2: Convert to fraction form
    3,712.92/5,565.54 = 1,605.90/x
  3. Step 3: Cross multiply
    3,712.92x = 5,565.54 × 1,605.90
  4. Step 4: Simplify right side
    3,712.92x = 8,937,700.69
  5. Step 5: Solve for x
    x = 8,937,700.69/3,712.92
  6. Step 6: Final answer
    x = 2,407.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.