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Finding the Fourth Proportional to 3,171.01, 4,753.05 and 1,089.04

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Solution

The fourth proportional to 3,171.01, 4,753.05 and 1,089.04 is: 1,632.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.01 : 4,753.05 = 1,089.04 : x
  2. Step 2: Convert to fraction form
    3,171.01/4,753.05 = 1,089.04/x
  3. Step 3: Cross multiply
    3,171.01x = 4,753.05 × 1,089.04
  4. Step 4: Simplify right side
    3,171.01x = 5,176,261.57
  5. Step 5: Solve for x
    x = 5,176,261.57/3,171.01
  6. Step 6: Final answer
    x = 1,632.37

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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.