Home / 3,422.97-5,143.11-3,284.58

Finding the Fourth Proportional to 3,422.97, 5,143.11 and 3,284.58

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Solution

The fourth proportional to 3,422.97, 5,143.11 and 3,284.58 is: 4,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.97 : 5,143.11 = 3,284.58 : x
  2. Step 2: Convert to fraction form
    3,422.97/5,143.11 = 3,284.58/x
  3. Step 3: Cross multiply
    3,422.97x = 5,143.11 × 3,284.58
  4. Step 4: Simplify right side
    3,422.97x = 16,892,956.24
  5. Step 5: Solve for x
    x = 16,892,956.24/3,422.97
  6. Step 6: Final answer
    x = 4,935.18

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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.