Home / 2,216.19-3,324.28-677.19

Finding the Fourth Proportional to 2,216.19, 3,324.28 and 677.19

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Solution

The fourth proportional to 2,216.19, 3,324.28 and 677.19 is: 1,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.19 : 3,324.28 = 677.19 : x
  2. Step 2: Convert to fraction form
    2,216.19/3,324.28 = 677.19/x
  3. Step 3: Cross multiply
    2,216.19x = 3,324.28 × 677.19
  4. Step 4: Simplify right side
    2,216.19x = 2,251,169.17
  5. Step 5: Solve for x
    x = 2,251,169.17/2,216.19
  6. Step 6: Final answer
    x = 1,015.78

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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.