Home / 3,966.47-5,469.95-2,372.86

Finding the Fourth Proportional to 3,966.47, 5,469.95 and 2,372.86

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Solution

The fourth proportional to 3,966.47, 5,469.95 and 2,372.86 is: 3,272.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.47 : 5,469.95 = 2,372.86 : x
  2. Step 2: Convert to fraction form
    3,966.47/5,469.95 = 2,372.86/x
  3. Step 3: Cross multiply
    3,966.47x = 5,469.95 × 2,372.86
  4. Step 4: Simplify right side
    3,966.47x = 12,979,400.02
  5. Step 5: Solve for x
    x = 12,979,400.02/3,966.47
  6. Step 6: Final answer
    x = 3,272.28

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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.