Home / 3,290.68-4,928.82-2,132.92

Finding the Fourth Proportional to 3,290.68, 4,928.82 and 2,132.92

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Solution

The fourth proportional to 3,290.68, 4,928.82 and 2,132.92 is: 3,194.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.68 : 4,928.82 = 2,132.92 : x
  2. Step 2: Convert to fraction form
    3,290.68/4,928.82 = 2,132.92/x
  3. Step 3: Cross multiply
    3,290.68x = 4,928.82 × 2,132.92
  4. Step 4: Simplify right side
    3,290.68x = 10,512,778.75
  5. Step 5: Solve for x
    x = 10,512,778.75/3,290.68
  6. Step 6: Final answer
    x = 3,194.71

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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.