Home / 3,275.72-4,910.88-2,177.36

Finding the Fourth Proportional to 3,275.72, 4,910.88 and 2,177.36

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Solution

The fourth proportional to 3,275.72, 4,910.88 and 2,177.36 is: 3,264.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.72 : 4,910.88 = 2,177.36 : x
  2. Step 2: Convert to fraction form
    3,275.72/4,910.88 = 2,177.36/x
  3. Step 3: Cross multiply
    3,275.72x = 4,910.88 × 2,177.36
  4. Step 4: Simplify right side
    3,275.72x = 10,692,753.68
  5. Step 5: Solve for x
    x = 10,692,753.68/3,275.72
  6. Step 6: Final answer
    x = 3,264.25

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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.