Home / 3,961.20-5,452.20-3,734.40

Finding the Fourth Proportional to 3,961.20, 5,452.20 and 3,734.40

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Solution

The fourth proportional to 3,961.20, 5,452.20 and 3,734.40 is: 5,140.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.20 : 5,452.20 = 3,734.40 : x
  2. Step 2: Convert to fraction form
    3,961.20/5,452.20 = 3,734.40/x
  3. Step 3: Cross multiply
    3,961.20x = 5,452.20 × 3,734.40
  4. Step 4: Simplify right side
    3,961.20x = 20,360,695.68
  5. Step 5: Solve for x
    x = 20,360,695.68/3,961.20
  6. Step 6: Final answer
    x = 5,140.03

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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.