Home / 2,793.20-4,191.82-2,251.91

Finding the Fourth Proportional to 2,793.20, 4,191.82 and 2,251.91

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Solution

The fourth proportional to 2,793.20, 4,191.82 and 2,251.91 is: 3,379.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.20 : 4,191.82 = 2,251.91 : x
  2. Step 2: Convert to fraction form
    2,793.20/4,191.82 = 2,251.91/x
  3. Step 3: Cross multiply
    2,793.20x = 4,191.82 × 2,251.91
  4. Step 4: Simplify right side
    2,793.20x = 9,439,606.23
  5. Step 5: Solve for x
    x = 9,439,606.23/2,793.20
  6. Step 6: Final answer
    x = 3,379.50

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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.