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Finding the Fourth Proportional to 3,169.27, 4,754.04 and 977.95

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Solution

The fourth proportional to 3,169.27, 4,754.04 and 977.95 is: 1,466.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.27 : 4,754.04 = 977.95 : x
  2. Step 2: Convert to fraction form
    3,169.27/4,754.04 = 977.95/x
  3. Step 3: Cross multiply
    3,169.27x = 4,754.04 × 977.95
  4. Step 4: Simplify right side
    3,169.27x = 4,649,213.42
  5. Step 5: Solve for x
    x = 4,649,213.42/3,169.27
  6. Step 6: Final answer
    x = 1,466.97

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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.