Home / 3,976.92-5,967.27-1,786.32

Finding the Fourth Proportional to 3,976.92, 5,967.27 and 1,786.32

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Solution

The fourth proportional to 3,976.92, 5,967.27 and 1,786.32 is: 2,680.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.92 : 5,967.27 = 1,786.32 : x
  2. Step 2: Convert to fraction form
    3,976.92/5,967.27 = 1,786.32/x
  3. Step 3: Cross multiply
    3,976.92x = 5,967.27 × 1,786.32
  4. Step 4: Simplify right side
    3,976.92x = 10,659,453.75
  5. Step 5: Solve for x
    x = 10,659,453.75/3,976.92
  6. Step 6: Final answer
    x = 2,680.33

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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.