Home / 3,543.20-5,319.60-2,247.20

Finding the Fourth Proportional to 3,543.20, 5,319.60 and 2,247.20

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Solution

The fourth proportional to 3,543.20, 5,319.60 and 2,247.20 is: 3,373.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.20 : 5,319.60 = 2,247.20 : x
  2. Step 2: Convert to fraction form
    3,543.20/5,319.60 = 2,247.20/x
  3. Step 3: Cross multiply
    3,543.20x = 5,319.60 × 2,247.20
  4. Step 4: Simplify right side
    3,543.20x = 11,954,205.12
  5. Step 5: Solve for x
    x = 11,954,205.12/3,543.20
  6. Step 6: Final answer
    x = 3,373.84

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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.