Home / 3,394.40-5,092.20-2,226.78

Finding the Fourth Proportional to 3,394.40, 5,092.20 and 2,226.78

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Solution

The fourth proportional to 3,394.40, 5,092.20 and 2,226.78 is: 3,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.40 : 5,092.20 = 2,226.78 : x
  2. Step 2: Convert to fraction form
    3,394.40/5,092.20 = 2,226.78/x
  3. Step 3: Cross multiply
    3,394.40x = 5,092.20 × 2,226.78
  4. Step 4: Simplify right side
    3,394.40x = 11,339,209.12
  5. Step 5: Solve for x
    x = 11,339,209.12/3,394.40
  6. Step 6: Final answer
    x = 3,340.57

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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.