Home / 3,247.82-4,877.20-3,222.30

Finding the Fourth Proportional to 3,247.82, 4,877.20 and 3,222.30

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Solution

The fourth proportional to 3,247.82, 4,877.20 and 3,222.30 is: 4,838.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.82 : 4,877.20 = 3,222.30 : x
  2. Step 2: Convert to fraction form
    3,247.82/4,877.20 = 3,222.30/x
  3. Step 3: Cross multiply
    3,247.82x = 4,877.20 × 3,222.30
  4. Step 4: Simplify right side
    3,247.82x = 15,715,801.56
  5. Step 5: Solve for x
    x = 15,715,801.56/3,247.82
  6. Step 6: Final answer
    x = 4,838.88

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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.