Home / 3,458.38-5,187.98-1,149.88

Finding the Fourth Proportional to 3,458.38, 5,187.98 and 1,149.88

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Solution

The fourth proportional to 3,458.38, 5,187.98 and 1,149.88 is: 1,724.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.38 : 5,187.98 = 1,149.88 : x
  2. Step 2: Convert to fraction form
    3,458.38/5,187.98 = 1,149.88/x
  3. Step 3: Cross multiply
    3,458.38x = 5,187.98 × 1,149.88
  4. Step 4: Simplify right side
    3,458.38x = 5,965,554.44
  5. Step 5: Solve for x
    x = 5,965,554.44/3,458.38
  6. Step 6: Final answer
    x = 1,724.96

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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.