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Finding the Fourth Proportional to 3,195.50, 4,793.53 and 887.02

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Solution

The fourth proportional to 3,195.50, 4,793.53 and 887.02 is: 1,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.50 : 4,793.53 = 887.02 : x
  2. Step 2: Convert to fraction form
    3,195.50/4,793.53 = 887.02/x
  3. Step 3: Cross multiply
    3,195.50x = 4,793.53 × 887.02
  4. Step 4: Simplify right side
    3,195.50x = 4,251,956.98
  5. Step 5: Solve for x
    x = 4,251,956.98/3,195.50
  6. Step 6: Final answer
    x = 1,330.61

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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.