Home / 3,280.76-4,917.68-2,238.18

Finding the Fourth Proportional to 3,280.76, 4,917.68 and 2,238.18

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Solution

The fourth proportional to 3,280.76, 4,917.68 and 2,238.18 is: 3,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.76 : 4,917.68 = 2,238.18 : x
  2. Step 2: Convert to fraction form
    3,280.76/4,917.68 = 2,238.18/x
  3. Step 3: Cross multiply
    3,280.76x = 4,917.68 × 2,238.18
  4. Step 4: Simplify right side
    3,280.76x = 11,006,658.62
  5. Step 5: Solve for x
    x = 11,006,658.62/3,280.76
  6. Step 6: Final answer
    x = 3,354.91

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1.5x scale

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.