Home / 3,257.10-4,882.90-2,639.27

Finding the Fourth Proportional to 3,257.10, 4,882.90 and 2,639.27

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Solution

The fourth proportional to 3,257.10, 4,882.90 and 2,639.27 is: 3,956.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.10 : 4,882.90 = 2,639.27 : x
  2. Step 2: Convert to fraction form
    3,257.10/4,882.90 = 2,639.27/x
  3. Step 3: Cross multiply
    3,257.10x = 4,882.90 × 2,639.27
  4. Step 4: Simplify right side
    3,257.10x = 12,887,291.48
  5. Step 5: Solve for x
    x = 12,887,291.48/3,257.10
  6. Step 6: Final answer
    x = 3,956.68

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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.