Home / 3,744.78-5,612.11-2,183.91

Finding the Fourth Proportional to 3,744.78, 5,612.11 and 2,183.91

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Solution

The fourth proportional to 3,744.78, 5,612.11 and 2,183.91 is: 3,272.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.78 : 5,612.11 = 2,183.91 : x
  2. Step 2: Convert to fraction form
    3,744.78/5,612.11 = 2,183.91/x
  3. Step 3: Cross multiply
    3,744.78x = 5,612.11 × 2,183.91
  4. Step 4: Simplify right side
    3,744.78x = 12,256,337.69
  5. Step 5: Solve for x
    x = 12,256,337.69/3,744.78
  6. Step 6: Final answer
    x = 3,272.91

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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.