Home / 1,557.38-2,324.68-1,372.85

Finding the Fourth Proportional to 1,557.38, 2,324.68 and 1,372.85

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Solution

The fourth proportional to 1,557.38, 2,324.68 and 1,372.85 is: 2,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.38 : 2,324.68 = 1,372.85 : x
  2. Step 2: Convert to fraction form
    1,557.38/2,324.68 = 1,372.85/x
  3. Step 3: Cross multiply
    1,557.38x = 2,324.68 × 1,372.85
  4. Step 4: Simplify right side
    1,557.38x = 3,191,443.68
  5. Step 5: Solve for x
    x = 3,191,443.68/1,557.38
  6. Step 6: Final answer
    x = 2,049.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.