Home / 2,227.50-3,073.45-1,331

Finding the Fourth Proportional to 2,227.50, 3,073.45 and 1,331

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Solution

The fourth proportional to 2,227.50, 3,073.45 and 1,331 is: 1,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.50 : 3,073.45 = 1,331 : x
  2. Step 2: Convert to fraction form
    2,227.50/3,073.45 = 1,331/x
  3. Step 3: Cross multiply
    2,227.50x = 3,073.45 × 1,331
  4. Step 4: Simplify right side
    2,227.50x = 4,090,761.95
  5. Step 5: Solve for x
    x = 4,090,761.95/2,227.50
  6. Step 6: Final answer
    x = 1,836.48

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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.