Home / 3,217.92-4,827.20-1,025.88

Finding the Fourth Proportional to 3,217.92, 4,827.20 and 1,025.88

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Solution

The fourth proportional to 3,217.92, 4,827.20 and 1,025.88 is: 1,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.92 : 4,827.20 = 1,025.88 : x
  2. Step 2: Convert to fraction form
    3,217.92/4,827.20 = 1,025.88/x
  3. Step 3: Cross multiply
    3,217.92x = 4,827.20 × 1,025.88
  4. Step 4: Simplify right side
    3,217.92x = 4,952,127.94
  5. Step 5: Solve for x
    x = 4,952,127.94/3,217.92
  6. Step 6: Final answer
    x = 1,538.92

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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.