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Finding the Fourth Proportional to 1,844.34, 2,768.13 and 1,195.80

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Solution

The fourth proportional to 1,844.34, 2,768.13 and 1,195.80 is: 1,794.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.34 : 2,768.13 = 1,195.80 : x
  2. Step 2: Convert to fraction form
    1,844.34/2,768.13 = 1,195.80/x
  3. Step 3: Cross multiply
    1,844.34x = 2,768.13 × 1,195.80
  4. Step 4: Simplify right side
    1,844.34x = 3,310,129.85
  5. Step 5: Solve for x
    x = 3,310,129.85/1,844.34
  6. Step 6: Final answer
    x = 1,794.75

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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.