Home / 3,324.78-4,976.50-2,211.62

Finding the Fourth Proportional to 3,324.78, 4,976.50 and 2,211.62

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Solution

The fourth proportional to 3,324.78, 4,976.50 and 2,211.62 is: 3,310.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.78 : 4,976.50 = 2,211.62 : x
  2. Step 2: Convert to fraction form
    3,324.78/4,976.50 = 2,211.62/x
  3. Step 3: Cross multiply
    3,324.78x = 4,976.50 × 2,211.62
  4. Step 4: Simplify right side
    3,324.78x = 11,006,126.93
  5. Step 5: Solve for x
    x = 11,006,126.93/3,324.78
  6. Step 6: Final answer
    x = 3,310.33

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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.