Home / 1,508.91-2,082.27-845.76

Finding the Fourth Proportional to 1,508.91, 2,082.27 and 845.76

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Solution

The fourth proportional to 1,508.91, 2,082.27 and 845.76 is: 1,167.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.91 : 2,082.27 = 845.76 : x
  2. Step 2: Convert to fraction form
    1,508.91/2,082.27 = 845.76/x
  3. Step 3: Cross multiply
    1,508.91x = 2,082.27 × 845.76
  4. Step 4: Simplify right side
    1,508.91x = 1,761,100.68
  5. Step 5: Solve for x
    x = 1,761,100.68/1,508.91
  6. Step 6: Final answer
    x = 1,167.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.