Home / 3,372.20-5,046.30-2,140.20

Finding the Fourth Proportional to 3,372.20, 5,046.30 and 2,140.20

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Solution

The fourth proportional to 3,372.20, 5,046.30 and 2,140.20 is: 3,202.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.20 : 5,046.30 = 2,140.20 : x
  2. Step 2: Convert to fraction form
    3,372.20/5,046.30 = 2,140.20/x
  3. Step 3: Cross multiply
    3,372.20x = 5,046.30 × 2,140.20
  4. Step 4: Simplify right side
    3,372.20x = 10,800,091.26
  5. Step 5: Solve for x
    x = 10,800,091.26/3,372.20
  6. Step 6: Final answer
    x = 3,202.68

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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.