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Finding the Fourth Proportional to 1,350.11, 1,857.29 and 1,100.88

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Solution

The fourth proportional to 1,350.11, 1,857.29 and 1,100.88 is: 1,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.11 : 1,857.29 = 1,100.88 : x
  2. Step 2: Convert to fraction form
    1,350.11/1,857.29 = 1,100.88/x
  3. Step 3: Cross multiply
    1,350.11x = 1,857.29 × 1,100.88
  4. Step 4: Simplify right side
    1,350.11x = 2,044,653.42
  5. Step 5: Solve for x
    x = 2,044,653.42/1,350.11
  6. Step 6: Final answer
    x = 1,514.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.