Home / 1,163.30-1,743.92-513.52

Finding the Fourth Proportional to 1,163.30, 1,743.92 and 513.52

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Solution

The fourth proportional to 1,163.30, 1,743.92 and 513.52 is: 769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163.30 : 1,743.92 = 513.52 : x
  2. Step 2: Convert to fraction form
    1,163.30/1,743.92 = 513.52/x
  3. Step 3: Cross multiply
    1,163.30x = 1,743.92 × 513.52
  4. Step 4: Simplify right side
    1,163.30x = 895,537.80
  5. Step 5: Solve for x
    x = 895,537.80/1,163.30
  6. Step 6: Final answer
    x = 769.83

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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.