Home / 3,452.38-5,178.65-1,261.11

Finding the Fourth Proportional to 3,452.38, 5,178.65 and 1,261.11

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Solution

The fourth proportional to 3,452.38, 5,178.65 and 1,261.11 is: 1,891.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.38 : 5,178.65 = 1,261.11 : x
  2. Step 2: Convert to fraction form
    3,452.38/5,178.65 = 1,261.11/x
  3. Step 3: Cross multiply
    3,452.38x = 5,178.65 × 1,261.11
  4. Step 4: Simplify right side
    3,452.38x = 6,530,841.00
  5. Step 5: Solve for x
    x = 6,530,841.00/3,452.38
  6. Step 6: Final answer
    x = 1,891.69

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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.