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Finding the Fourth Proportional to 3,204.50, 4,806 and 1,229.45

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Solution

The fourth proportional to 3,204.50, 4,806 and 1,229.45 is: 1,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.50 : 4,806 = 1,229.45 : x
  2. Step 2: Convert to fraction form
    3,204.50/4,806 = 1,229.45/x
  3. Step 3: Cross multiply
    3,204.50x = 4,806 × 1,229.45
  4. Step 4: Simplify right side
    3,204.50x = 5,908,712.67
  5. Step 5: Solve for x
    x = 5,908,712.67/3,204.50
  6. Step 6: Final answer
    x = 1,843.88

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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.