Home / 3,270.28-4,512.95-2,434.72

Finding the Fourth Proportional to 3,270.28, 4,512.95 and 2,434.72

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Solution

The fourth proportional to 3,270.28, 4,512.95 and 2,434.72 is: 3,359.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.28 : 4,512.95 = 2,434.72 : x
  2. Step 2: Convert to fraction form
    3,270.28/4,512.95 = 2,434.72/x
  3. Step 3: Cross multiply
    3,270.28x = 4,512.95 × 2,434.72
  4. Step 4: Simplify right side
    3,270.28x = 10,987,769.62
  5. Step 5: Solve for x
    x = 10,987,769.62/3,270.28
  6. Step 6: Final answer
    x = 3,359.89

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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.