Home / 2,454.50-3,387.24-1,335.47

Finding the Fourth Proportional to 2,454.50, 3,387.24 and 1,335.47

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Solution

The fourth proportional to 2,454.50, 3,387.24 and 1,335.47 is: 1,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.50 : 3,387.24 = 1,335.47 : x
  2. Step 2: Convert to fraction form
    2,454.50/3,387.24 = 1,335.47/x
  3. Step 3: Cross multiply
    2,454.50x = 3,387.24 × 1,335.47
  4. Step 4: Simplify right side
    2,454.50x = 4,523,540.47
  5. Step 5: Solve for x
    x = 4,523,540.47/2,454.50
  6. Step 6: Final answer
    x = 1,842.96

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1.5x scale

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.