Home / 2,481.68-3,720.72-1,249.04

Finding the Fourth Proportional to 2,481.68, 3,720.72 and 1,249.04

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Solution

The fourth proportional to 2,481.68, 3,720.72 and 1,249.04 is: 1,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.68 : 3,720.72 = 1,249.04 : x
  2. Step 2: Convert to fraction form
    2,481.68/3,720.72 = 1,249.04/x
  3. Step 3: Cross multiply
    2,481.68x = 3,720.72 × 1,249.04
  4. Step 4: Simplify right side
    2,481.68x = 4,647,328.11
  5. Step 5: Solve for x
    x = 4,647,328.11/2,481.68
  6. Step 6: Final answer
    x = 1,872.65

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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.