Home / 1,301.14-1,951.50-423.53

Finding the Fourth Proportional to 1,301.14, 1,951.50 and 423.53

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Solution

The fourth proportional to 1,301.14, 1,951.50 and 423.53 is: 635.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.14 : 1,951.50 = 423.53 : x
  2. Step 2: Convert to fraction form
    1,301.14/1,951.50 = 423.53/x
  3. Step 3: Cross multiply
    1,301.14x = 1,951.50 × 423.53
  4. Step 4: Simplify right side
    1,301.14x = 826,518.80
  5. Step 5: Solve for x
    x = 826,518.80/1,301.14
  6. Step 6: Final answer
    x = 635.23

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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.