Home / 3,747.60-5,169.44-2,422.05

Finding the Fourth Proportional to 3,747.60, 5,169.44 and 2,422.05

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Solution

The fourth proportional to 3,747.60, 5,169.44 and 2,422.05 is: 3,340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.60 : 5,169.44 = 2,422.05 : x
  2. Step 2: Convert to fraction form
    3,747.60/5,169.44 = 2,422.05/x
  3. Step 3: Cross multiply
    3,747.60x = 5,169.44 × 2,422.05
  4. Step 4: Simplify right side
    3,747.60x = 12,520,630.04
  5. Step 5: Solve for x
    x = 12,520,630.04/3,747.60
  6. Step 6: Final answer
    x = 3,340.97

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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.