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Finding the Fourth Proportional to 1,836.30, 2,754.81 and 796.11

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Solution

The fourth proportional to 1,836.30, 2,754.81 and 796.11 is: 1,194.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.30 : 2,754.81 = 796.11 : x
  2. Step 2: Convert to fraction form
    1,836.30/2,754.81 = 796.11/x
  3. Step 3: Cross multiply
    1,836.30x = 2,754.81 × 796.11
  4. Step 4: Simplify right side
    1,836.30x = 2,193,131.79
  5. Step 5: Solve for x
    x = 2,193,131.79/1,836.30
  6. Step 6: Final answer
    x = 1,194.32

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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.