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Finding the Fourth Proportional to 1,168.68, 1,752.64 and 1,092

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Solution

The fourth proportional to 1,168.68, 1,752.64 and 1,092 is: 1,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.68 : 1,752.64 = 1,092 : x
  2. Step 2: Convert to fraction form
    1,168.68/1,752.64 = 1,092/x
  3. Step 3: Cross multiply
    1,168.68x = 1,752.64 × 1,092
  4. Step 4: Simplify right side
    1,168.68x = 1,913,882.88
  5. Step 5: Solve for x
    x = 1,913,882.88/1,168.68
  6. Step 6: Final answer
    x = 1,637.64

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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.