Home / 3,221.31-4,832.49-1,372.44

Finding the Fourth Proportional to 3,221.31, 4,832.49 and 1,372.44

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Solution

The fourth proportional to 3,221.31, 4,832.49 and 1,372.44 is: 2,058.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.31 : 4,832.49 = 1,372.44 : x
  2. Step 2: Convert to fraction form
    3,221.31/4,832.49 = 1,372.44/x
  3. Step 3: Cross multiply
    3,221.31x = 4,832.49 × 1,372.44
  4. Step 4: Simplify right side
    3,221.31x = 6,632,302.58
  5. Step 5: Solve for x
    x = 6,632,302.58/3,221.31
  6. Step 6: Final answer
    x = 2,058.88

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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.