Home / 2,251.26-3,377.12-790.47

Finding the Fourth Proportional to 2,251.26, 3,377.12 and 790.47

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Solution

The fourth proportional to 2,251.26, 3,377.12 and 790.47 is: 1,185.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.26 : 3,377.12 = 790.47 : x
  2. Step 2: Convert to fraction form
    2,251.26/3,377.12 = 790.47/x
  3. Step 3: Cross multiply
    2,251.26x = 3,377.12 × 790.47
  4. Step 4: Simplify right side
    2,251.26x = 2,669,508.09
  5. Step 5: Solve for x
    x = 2,669,508.09/2,251.26
  6. Step 6: Final answer
    x = 1,185.78

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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.