Home / 3,201.72-4,418.12-2,257.10

Finding the Fourth Proportional to 3,201.72, 4,418.12 and 2,257.10

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Solution

The fourth proportional to 3,201.72, 4,418.12 and 2,257.10 is: 3,114.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.72 : 4,418.12 = 2,257.10 : x
  2. Step 2: Convert to fraction form
    3,201.72/4,418.12 = 2,257.10/x
  3. Step 3: Cross multiply
    3,201.72x = 4,418.12 × 2,257.10
  4. Step 4: Simplify right side
    3,201.72x = 9,972,105.28
  5. Step 5: Solve for x
    x = 9,972,105.28/3,201.72
  6. Step 6: Final answer
    x = 3,114.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.