Home / 3,270.82-4,512.12-2,428.84

Finding the Fourth Proportional to 3,270.82, 4,512.12 and 2,428.84

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Solution

The fourth proportional to 3,270.82, 4,512.12 and 2,428.84 is: 3,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.82 : 4,512.12 = 2,428.84 : x
  2. Step 2: Convert to fraction form
    3,270.82/4,512.12 = 2,428.84/x
  3. Step 3: Cross multiply
    3,270.82x = 4,512.12 × 2,428.84
  4. Step 4: Simplify right side
    3,270.82x = 10,959,217.54
  5. Step 5: Solve for x
    x = 10,959,217.54/3,270.82
  6. Step 6: Final answer
    x = 3,350.60

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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.