Home / 3,280.44-4,917.78-1,229.88

Finding the Fourth Proportional to 3,280.44, 4,917.78 and 1,229.88

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Solution

The fourth proportional to 3,280.44, 4,917.78 and 1,229.88 is: 1,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.44 : 4,917.78 = 1,229.88 : x
  2. Step 2: Convert to fraction form
    3,280.44/4,917.78 = 1,229.88/x
  3. Step 3: Cross multiply
    3,280.44x = 4,917.78 × 1,229.88
  4. Step 4: Simplify right side
    3,280.44x = 6,048,279.27
  5. Step 5: Solve for x
    x = 6,048,279.27/3,280.44
  6. Step 6: Final answer
    x = 1,843.74

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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.