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Finding the Fourth Proportional to 1,994.52, 2,752.11 and 1,110.18

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Solution

The fourth proportional to 1,994.52, 2,752.11 and 1,110.18 is: 1,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.52 : 2,752.11 = 1,110.18 : x
  2. Step 2: Convert to fraction form
    1,994.52/2,752.11 = 1,110.18/x
  3. Step 3: Cross multiply
    1,994.52x = 2,752.11 × 1,110.18
  4. Step 4: Simplify right side
    1,994.52x = 3,055,337.48
  5. Step 5: Solve for x
    x = 3,055,337.48/1,994.52
  6. Step 6: Final answer
    x = 1,531.87

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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.