Home / 3,280.17-4,917.67-1,635.87

Finding the Fourth Proportional to 3,280.17, 4,917.67 and 1,635.87

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Solution

The fourth proportional to 3,280.17, 4,917.67 and 1,635.87 is: 2,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.17 : 4,917.67 = 1,635.87 : x
  2. Step 2: Convert to fraction form
    3,280.17/4,917.67 = 1,635.87/x
  3. Step 3: Cross multiply
    3,280.17x = 4,917.67 × 1,635.87
  4. Step 4: Simplify right side
    3,280.17x = 8,044,668.82
  5. Step 5: Solve for x
    x = 8,044,668.82/3,280.17
  6. Step 6: Final answer
    x = 2,452.52

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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.