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Finding the Fourth Proportional to 2,216.27, 3,324.38 and 677.27

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Solution

The fourth proportional to 2,216.27, 3,324.38 and 677.27 is: 1,015.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.27 : 3,324.38 = 677.27 : x
  2. Step 2: Convert to fraction form
    2,216.27/3,324.38 = 677.27/x
  3. Step 3: Cross multiply
    2,216.27x = 3,324.38 × 677.27
  4. Step 4: Simplify right side
    2,216.27x = 2,251,487.91
  5. Step 5: Solve for x
    x = 2,251,487.91/2,216.27
  6. Step 6: Final answer
    x = 1,015.89

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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.