Home / 2,481.10-3,423.38-1,432.55

Finding the Fourth Proportional to 2,481.10, 3,423.38 and 1,432.55

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Solution

The fourth proportional to 2,481.10, 3,423.38 and 1,432.55 is: 1,976.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.10 : 3,423.38 = 1,432.55 : x
  2. Step 2: Convert to fraction form
    2,481.10/3,423.38 = 1,432.55/x
  3. Step 3: Cross multiply
    2,481.10x = 3,423.38 × 1,432.55
  4. Step 4: Simplify right side
    2,481.10x = 4,904,164.41
  5. Step 5: Solve for x
    x = 4,904,164.41/2,481.10
  6. Step 6: Final answer
    x = 1,976.61

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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.