Home / 2,481.50-3,721.21-1,249.56

Finding the Fourth Proportional to 2,481.50, 3,721.21 and 1,249.56

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Solution

The fourth proportional to 2,481.50, 3,721.21 and 1,249.56 is: 1,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.50 : 3,721.21 = 1,249.56 : x
  2. Step 2: Convert to fraction form
    2,481.50/3,721.21 = 1,249.56/x
  3. Step 3: Cross multiply
    2,481.50x = 3,721.21 × 1,249.56
  4. Step 4: Simplify right side
    2,481.50x = 4,649,872.04
  5. Step 5: Solve for x
    x = 4,649,872.04/2,481.50
  6. Step 6: Final answer
    x = 1,873.81

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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.