Home / 3,216.33-4,813.56-2,489.15

Finding the Fourth Proportional to 3,216.33, 4,813.56 and 2,489.15

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Solution

The fourth proportional to 3,216.33, 4,813.56 and 2,489.15 is: 3,725.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.33 : 4,813.56 = 2,489.15 : x
  2. Step 2: Convert to fraction form
    3,216.33/4,813.56 = 2,489.15/x
  3. Step 3: Cross multiply
    3,216.33x = 4,813.56 × 2,489.15
  4. Step 4: Simplify right side
    3,216.33x = 11,981,684.91
  5. Step 5: Solve for x
    x = 11,981,684.91/3,216.33
  6. Step 6: Final answer
    x = 3,725.27

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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.