Home / 3,646.39-5,470.38-1,337.89

Finding the Fourth Proportional to 3,646.39, 5,470.38 and 1,337.89

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Solution

The fourth proportional to 3,646.39, 5,470.38 and 1,337.89 is: 2,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.39 : 5,470.38 = 1,337.89 : x
  2. Step 2: Convert to fraction form
    3,646.39/5,470.38 = 1,337.89/x
  3. Step 3: Cross multiply
    3,646.39x = 5,470.38 × 1,337.89
  4. Step 4: Simplify right side
    3,646.39x = 7,318,766.70
  5. Step 5: Solve for x
    x = 7,318,766.70/3,646.39
  6. Step 6: Final answer
    x = 2,007.13

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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.