Home / 2,229.30-3,074.49-1,344.78

Finding the Fourth Proportional to 2,229.30, 3,074.49 and 1,344.78

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Solution

The fourth proportional to 2,229.30, 3,074.49 and 1,344.78 is: 1,854.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.30 : 3,074.49 = 1,344.78 : x
  2. Step 2: Convert to fraction form
    2,229.30/3,074.49 = 1,344.78/x
  3. Step 3: Cross multiply
    2,229.30x = 3,074.49 × 1,344.78
  4. Step 4: Simplify right side
    2,229.30x = 4,134,512.66
  5. Step 5: Solve for x
    x = 4,134,512.66/2,229.30
  6. Step 6: Final answer
    x = 1,854.62

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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.