Home / 1,508.14-2,261.76-453.91

Finding the Fourth Proportional to 1,508.14, 2,261.76 and 453.91

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Solution

The fourth proportional to 1,508.14, 2,261.76 and 453.91 is: 680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.14 : 2,261.76 = 453.91 : x
  2. Step 2: Convert to fraction form
    1,508.14/2,261.76 = 453.91/x
  3. Step 3: Cross multiply
    1,508.14x = 2,261.76 × 453.91
  4. Step 4: Simplify right side
    1,508.14x = 1,026,631.53
  5. Step 5: Solve for x
    x = 1,026,631.53/1,508.14
  6. Step 6: Final answer
    x = 680.73

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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.