Home / 3,723.88-5,138.96-2,067.88

Finding the Fourth Proportional to 3,723.88, 5,138.96 and 2,067.88

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Solution

The fourth proportional to 3,723.88, 5,138.96 and 2,067.88 is: 2,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.88 : 5,138.96 = 2,067.88 : x
  2. Step 2: Convert to fraction form
    3,723.88/5,138.96 = 2,067.88/x
  3. Step 3: Cross multiply
    3,723.88x = 5,138.96 × 2,067.88
  4. Step 4: Simplify right side
    3,723.88x = 10,626,752.60
  5. Step 5: Solve for x
    x = 10,626,752.60/3,723.88
  6. Step 6: Final answer
    x = 2,853.68

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1.5x scale

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.