Home / 3,648.10-5,472.15-2,481.70

Finding the Fourth Proportional to 3,648.10, 5,472.15 and 2,481.70

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Solution

The fourth proportional to 3,648.10, 5,472.15 and 2,481.70 is: 3,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.10 : 5,472.15 = 2,481.70 : x
  2. Step 2: Convert to fraction form
    3,648.10/5,472.15 = 2,481.70/x
  3. Step 3: Cross multiply
    3,648.10x = 5,472.15 × 2,481.70
  4. Step 4: Simplify right side
    3,648.10x = 13,580,234.66
  5. Step 5: Solve for x
    x = 13,580,234.66/3,648.10
  6. Step 6: Final answer
    x = 3,722.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.