Home / 3,711.29-5,565.29-1,113.62

Finding the Fourth Proportional to 3,711.29, 5,565.29 and 1,113.62

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Solution

The fourth proportional to 3,711.29, 5,565.29 and 1,113.62 is: 1,669.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.29 : 5,565.29 = 1,113.62 : x
  2. Step 2: Convert to fraction form
    3,711.29/5,565.29 = 1,113.62/x
  3. Step 3: Cross multiply
    3,711.29x = 5,565.29 × 1,113.62
  4. Step 4: Simplify right side
    3,711.29x = 6,197,584.86
  5. Step 5: Solve for x
    x = 6,197,584.86/3,711.29
  6. Step 6: Final answer
    x = 1,669.93

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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.