Home / 1,371.80-2,053.38-1,337.24

Finding the Fourth Proportional to 1,371.80, 2,053.38 and 1,337.24

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Solution

The fourth proportional to 1,371.80, 2,053.38 and 1,337.24 is: 2,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371.80 : 2,053.38 = 1,337.24 : x
  2. Step 2: Convert to fraction form
    1,371.80/2,053.38 = 1,337.24/x
  3. Step 3: Cross multiply
    1,371.80x = 2,053.38 × 1,337.24
  4. Step 4: Simplify right side
    1,371.80x = 2,745,861.87
  5. Step 5: Solve for x
    x = 2,745,861.87/1,371.80
  6. Step 6: Final answer
    x = 2,001.65

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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.