Home / 2,252.28-3,377.32-791.22

Finding the Fourth Proportional to 2,252.28, 3,377.32 and 791.22

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Solution

The fourth proportional to 2,252.28, 3,377.32 and 791.22 is: 1,186.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.28 : 3,377.32 = 791.22 : x
  2. Step 2: Convert to fraction form
    2,252.28/3,377.32 = 791.22/x
  3. Step 3: Cross multiply
    2,252.28x = 3,377.32 × 791.22
  4. Step 4: Simplify right side
    2,252.28x = 2,672,201.15
  5. Step 5: Solve for x
    x = 2,672,201.15/2,252.28
  6. Step 6: Final answer
    x = 1,186.44

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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.