Home / 3,280.18-4,917.68-1,635.88

Finding the Fourth Proportional to 3,280.18, 4,917.68 and 1,635.88

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Solution

The fourth proportional to 3,280.18, 4,917.68 and 1,635.88 is: 2,452.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.18 : 4,917.68 = 1,635.88 : x
  2. Step 2: Convert to fraction form
    3,280.18/4,917.68 = 1,635.88/x
  3. Step 3: Cross multiply
    3,280.18x = 4,917.68 × 1,635.88
  4. Step 4: Simplify right side
    3,280.18x = 8,044,734.36
  5. Step 5: Solve for x
    x = 8,044,734.36/3,280.18
  6. Step 6: Final answer
    x = 2,452.53

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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.