Home / 3,909.29-5,865.28-2,446.70

Finding the Fourth Proportional to 3,909.29, 5,865.28 and 2,446.70

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Solution

The fourth proportional to 3,909.29, 5,865.28 and 2,446.70 is: 3,670.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.29 : 5,865.28 = 2,446.70 : x
  2. Step 2: Convert to fraction form
    3,909.29/5,865.28 = 2,446.70/x
  3. Step 3: Cross multiply
    3,909.29x = 5,865.28 × 2,446.70
  4. Step 4: Simplify right side
    3,909.29x = 14,350,545.13
  5. Step 5: Solve for x
    x = 14,350,545.13/3,909.29
  6. Step 6: Final answer
    x = 3,670.89

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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.