Home / 3,764.64-5,195.19-2,108.64

Finding the Fourth Proportional to 3,764.64, 5,195.19 and 2,108.64

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Solution

The fourth proportional to 3,764.64, 5,195.19 and 2,108.64 is: 2,909.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.64 : 5,195.19 = 2,108.64 : x
  2. Step 2: Convert to fraction form
    3,764.64/5,195.19 = 2,108.64/x
  3. Step 3: Cross multiply
    3,764.64x = 5,195.19 × 2,108.64
  4. Step 4: Simplify right side
    3,764.64x = 10,954,785.44
  5. Step 5: Solve for x
    x = 10,954,785.44/3,764.64
  6. Step 6: Final answer
    x = 2,909.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.