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Finding the Fourth Proportional to 2,168.54, 3,252.48 and 608.38

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Solution

The fourth proportional to 2,168.54, 3,252.48 and 608.38 is: 912.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.54 : 3,252.48 = 608.38 : x
  2. Step 2: Convert to fraction form
    2,168.54/3,252.48 = 608.38/x
  3. Step 3: Cross multiply
    2,168.54x = 3,252.48 × 608.38
  4. Step 4: Simplify right side
    2,168.54x = 1,978,743.78
  5. Step 5: Solve for x
    x = 1,978,743.78/2,168.54
  6. Step 6: Final answer
    x = 912.48

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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.