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Finding the Fourth Proportional to 3,963.16, 5,936.23 and 2,572.44

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Solution

The fourth proportional to 3,963.16, 5,936.23 and 2,572.44 is: 3,853.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.16 : 5,936.23 = 2,572.44 : x
  2. Step 2: Convert to fraction form
    3,963.16/5,936.23 = 2,572.44/x
  3. Step 3: Cross multiply
    3,963.16x = 5,936.23 × 2,572.44
  4. Step 4: Simplify right side
    3,963.16x = 15,270,595.50
  5. Step 5: Solve for x
    x = 15,270,595.50/3,963.16
  6. Step 6: Final answer
    x = 3,853.14

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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.