Home / 3,785.52-5,674.62-1,187.84

Finding the Fourth Proportional to 3,785.52, 5,674.62 and 1,187.84

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Solution

The fourth proportional to 3,785.52, 5,674.62 and 1,187.84 is: 1,780.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.52 : 5,674.62 = 1,187.84 : x
  2. Step 2: Convert to fraction form
    3,785.52/5,674.62 = 1,187.84/x
  3. Step 3: Cross multiply
    3,785.52x = 5,674.62 × 1,187.84
  4. Step 4: Simplify right side
    3,785.52x = 6,740,540.62
  5. Step 5: Solve for x
    x = 6,740,540.62/3,785.52
  6. Step 6: Final answer
    x = 1,780.61

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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.