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Finding the Fourth Proportional to 3,277, 4,916.31 and 968.50

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Solution

The fourth proportional to 3,277, 4,916.31 and 968.50 is: 1,452.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277 : 4,916.31 = 968.50 : x
  2. Step 2: Convert to fraction form
    3,277/4,916.31 = 968.50/x
  3. Step 3: Cross multiply
    3,277x = 4,916.31 × 968.50
  4. Step 4: Simplify right side
    3,277x = 4,761,446.24
  5. Step 5: Solve for x
    x = 4,761,446.24/3,277
  6. Step 6: Final answer
    x = 1,452.99

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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.