Home / 3,273.68-4,512.12-2,280.80

Finding the Fourth Proportional to 3,273.68, 4,512.12 and 2,280.80

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Solution

The fourth proportional to 3,273.68, 4,512.12 and 2,280.80 is: 3,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.68 : 4,512.12 = 2,280.80 : x
  2. Step 2: Convert to fraction form
    3,273.68/4,512.12 = 2,280.80/x
  3. Step 3: Cross multiply
    3,273.68x = 4,512.12 × 2,280.80
  4. Step 4: Simplify right side
    3,273.68x = 10,291,243.30
  5. Step 5: Solve for x
    x = 10,291,243.30/3,273.68
  6. Step 6: Final answer
    x = 3,143.63

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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.