Home / 3,789.52-5,680.62-1,191.84

Finding the Fourth Proportional to 3,789.52, 5,680.62 and 1,191.84

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Solution

The fourth proportional to 3,789.52, 5,680.62 and 1,191.84 is: 1,786.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.52 : 5,680.62 = 1,191.84 : x
  2. Step 2: Convert to fraction form
    3,789.52/5,680.62 = 1,191.84/x
  3. Step 3: Cross multiply
    3,789.52x = 5,680.62 × 1,191.84
  4. Step 4: Simplify right side
    3,789.52x = 6,770,390.14
  5. Step 5: Solve for x
    x = 6,770,390.14/3,789.52
  6. Step 6: Final answer
    x = 1,786.61

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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.