Home / 3,217.48-4,819.84-2,520.90

Finding the Fourth Proportional to 3,217.48, 4,819.84 and 2,520.90

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Solution

The fourth proportional to 3,217.48, 4,819.84 and 2,520.90 is: 3,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.48 : 4,819.84 = 2,520.90 : x
  2. Step 2: Convert to fraction form
    3,217.48/4,819.84 = 2,520.90/x
  3. Step 3: Cross multiply
    3,217.48x = 4,819.84 × 2,520.90
  4. Step 4: Simplify right side
    3,217.48x = 12,150,334.66
  5. Step 5: Solve for x
    x = 12,150,334.66/3,217.48
  6. Step 6: Final answer
    x = 3,776.35

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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.