Home / 1,572.38-2,354.91-1,246.76

Finding the Fourth Proportional to 1,572.38, 2,354.91 and 1,246.76

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Solution

The fourth proportional to 1,572.38, 2,354.91 and 1,246.76 is: 1,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.38 : 2,354.91 = 1,246.76 : x
  2. Step 2: Convert to fraction form
    1,572.38/2,354.91 = 1,246.76/x
  3. Step 3: Cross multiply
    1,572.38x = 2,354.91 × 1,246.76
  4. Step 4: Simplify right side
    1,572.38x = 2,935,995.82
  5. Step 5: Solve for x
    x = 2,935,995.82/1,572.38
  6. Step 6: Final answer
    x = 1,867.24

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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.