Home / 2,380.20-3,281.22-1,592.88

Finding the Fourth Proportional to 2,380.20, 3,281.22 and 1,592.88

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Solution

The fourth proportional to 2,380.20, 3,281.22 and 1,592.88 is: 2,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.20 : 3,281.22 = 1,592.88 : x
  2. Step 2: Convert to fraction form
    2,380.20/3,281.22 = 1,592.88/x
  3. Step 3: Cross multiply
    2,380.20x = 3,281.22 × 1,592.88
  4. Step 4: Simplify right side
    2,380.20x = 5,226,589.71
  5. Step 5: Solve for x
    x = 5,226,589.71/2,380.20
  6. Step 6: Final answer
    x = 2,195.86

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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.