Home / 3,217.95-4,819.64-2,520.27

Finding the Fourth Proportional to 3,217.95, 4,819.64 and 2,520.27

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Solution

The fourth proportional to 3,217.95, 4,819.64 and 2,520.27 is: 3,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.95 : 4,819.64 = 2,520.27 : x
  2. Step 2: Convert to fraction form
    3,217.95/4,819.64 = 2,520.27/x
  3. Step 3: Cross multiply
    3,217.95x = 4,819.64 × 2,520.27
  4. Step 4: Simplify right side
    3,217.95x = 12,146,781.50
  5. Step 5: Solve for x
    x = 12,146,781.50/3,217.95
  6. Step 6: Final answer
    x = 3,774.70

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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.