Home / 3,200.28-4,412.72-2,608.96

Finding the Fourth Proportional to 3,200.28, 4,412.72 and 2,608.96

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Solution

The fourth proportional to 3,200.28, 4,412.72 and 2,608.96 is: 3,597.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.28 : 4,412.72 = 2,608.96 : x
  2. Step 2: Convert to fraction form
    3,200.28/4,412.72 = 2,608.96/x
  3. Step 3: Cross multiply
    3,200.28x = 4,412.72 × 2,608.96
  4. Step 4: Simplify right side
    3,200.28x = 11,512,609.97
  5. Step 5: Solve for x
    x = 11,512,609.97/3,200.28
  6. Step 6: Final answer
    x = 3,597.38

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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.