Home / 2,380.20-3,277.92-2,329.32

Finding the Fourth Proportional to 2,380.20, 3,277.92 and 2,329.32

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Solution

The fourth proportional to 2,380.20, 3,277.92 and 2,329.32 is: 3,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.20 : 3,277.92 = 2,329.32 : x
  2. Step 2: Convert to fraction form
    2,380.20/3,277.92 = 2,329.32/x
  3. Step 3: Cross multiply
    2,380.20x = 3,277.92 × 2,329.32
  4. Step 4: Simplify right side
    2,380.20x = 7,635,324.61
  5. Step 5: Solve for x
    x = 7,635,324.61/2,380.20
  6. Step 6: Final answer
    x = 3,207.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.