Home / 1,337.04-2,003.13-748.98

Finding the Fourth Proportional to 1,337.04, 2,003.13 and 748.98

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Solution

The fourth proportional to 1,337.04, 2,003.13 and 748.98 is: 1,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.04 : 2,003.13 = 748.98 : x
  2. Step 2: Convert to fraction form
    1,337.04/2,003.13 = 748.98/x
  3. Step 3: Cross multiply
    1,337.04x = 2,003.13 × 748.98
  4. Step 4: Simplify right side
    1,337.04x = 1,500,304.31
  5. Step 5: Solve for x
    x = 1,500,304.31/1,337.04
  6. Step 6: Final answer
    x = 1,122.11

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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.