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Finding the Fourth Proportional to 3,002, 4,503.02 and 1,968.55

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Solution

The fourth proportional to 3,002, 4,503.02 and 1,968.55 is: 2,952.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002 : 4,503.02 = 1,968.55 : x
  2. Step 2: Convert to fraction form
    3,002/4,503.02 = 1,968.55/x
  3. Step 3: Cross multiply
    3,002x = 4,503.02 × 1,968.55
  4. Step 4: Simplify right side
    3,002x = 8,864,387.66
  5. Step 5: Solve for x
    x = 8,864,387.66/3,002
  6. Step 6: Final answer
    x = 2,952.83

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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.