Home / 1,337.60-2,006.40-1,301.15

Finding the Fourth Proportional to 1,337.60, 2,006.40 and 1,301.15

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Solution

The fourth proportional to 1,337.60, 2,006.40 and 1,301.15 is: 1,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.60 : 2,006.40 = 1,301.15 : x
  2. Step 2: Convert to fraction form
    1,337.60/2,006.40 = 1,301.15/x
  3. Step 3: Cross multiply
    1,337.60x = 2,006.40 × 1,301.15
  4. Step 4: Simplify right side
    1,337.60x = 2,610,617.33
  5. Step 5: Solve for x
    x = 2,610,617.33/1,337.60
  6. Step 6: Final answer
    x = 1,951.72

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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.