Home / 3,253.46-4,882.13-2,988.78

Finding the Fourth Proportional to 3,253.46, 4,882.13 and 2,988.78

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Solution

The fourth proportional to 3,253.46, 4,882.13 and 2,988.78 is: 4,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.46 : 4,882.13 = 2,988.78 : x
  2. Step 2: Convert to fraction form
    3,253.46/4,882.13 = 2,988.78/x
  3. Step 3: Cross multiply
    3,253.46x = 4,882.13 × 2,988.78
  4. Step 4: Simplify right side
    3,253.46x = 14,591,609.46
  5. Step 5: Solve for x
    x = 14,591,609.46/3,253.46
  6. Step 6: Final answer
    x = 4,484.95

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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.