Home / 1,331.18-1,833.31-1,302.48

Finding the Fourth Proportional to 1,331.18, 1,833.31 and 1,302.48

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Solution

The fourth proportional to 1,331.18, 1,833.31 and 1,302.48 is: 1,793.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331.18 : 1,833.31 = 1,302.48 : x
  2. Step 2: Convert to fraction form
    1,331.18/1,833.31 = 1,302.48/x
  3. Step 3: Cross multiply
    1,331.18x = 1,833.31 × 1,302.48
  4. Step 4: Simplify right side
    1,331.18x = 2,387,849.61
  5. Step 5: Solve for x
    x = 2,387,849.61/1,331.18
  6. Step 6: Final answer
    x = 1,793.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.