Home / 1,337.70-2,003.85-927.30

Finding the Fourth Proportional to 1,337.70, 2,003.85 and 927.30

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Solution

The fourth proportional to 1,337.70, 2,003.85 and 927.30 is: 1,389.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.70 : 2,003.85 = 927.30 : x
  2. Step 2: Convert to fraction form
    1,337.70/2,003.85 = 927.30/x
  3. Step 3: Cross multiply
    1,337.70x = 2,003.85 × 927.30
  4. Step 4: Simplify right side
    1,337.70x = 1,858,170.11
  5. Step 5: Solve for x
    x = 1,858,170.11/1,337.70
  6. Step 6: Final answer
    x = 1,389.08

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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.