Home / 2,423.33-3,634.91-691.96

Finding the Fourth Proportional to 2,423.33, 3,634.91 and 691.96

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Solution

The fourth proportional to 2,423.33, 3,634.91 and 691.96 is: 1,037.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.33 : 3,634.91 = 691.96 : x
  2. Step 2: Convert to fraction form
    2,423.33/3,634.91 = 691.96/x
  3. Step 3: Cross multiply
    2,423.33x = 3,634.91 × 691.96
  4. Step 4: Simplify right side
    2,423.33x = 2,515,209.19
  5. Step 5: Solve for x
    x = 2,515,209.19/2,423.33
  6. Step 6: Final answer
    x = 1,037.91

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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.