Home / 3,105.24-4,655.97-2,132.70

Finding the Fourth Proportional to 3,105.24, 4,655.97 and 2,132.70

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Solution

The fourth proportional to 3,105.24, 4,655.97 and 2,132.70 is: 3,197.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.24 : 4,655.97 = 2,132.70 : x
  2. Step 2: Convert to fraction form
    3,105.24/4,655.97 = 2,132.70/x
  3. Step 3: Cross multiply
    3,105.24x = 4,655.97 × 2,132.70
  4. Step 4: Simplify right side
    3,105.24x = 9,929,787.22
  5. Step 5: Solve for x
    x = 9,929,787.22/3,105.24
  6. Step 6: Final answer
    x = 3,197.75

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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.