Home / 3,811.80-5,707.68-3,067.45

Finding the Fourth Proportional to 3,811.80, 5,707.68 and 3,067.45

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Solution

The fourth proportional to 3,811.80, 5,707.68 and 3,067.45 is: 4,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.80 : 5,707.68 = 3,067.45 : x
  2. Step 2: Convert to fraction form
    3,811.80/5,707.68 = 3,067.45/x
  3. Step 3: Cross multiply
    3,811.80x = 5,707.68 × 3,067.45
  4. Step 4: Simplify right side
    3,811.80x = 17,508,023.02
  5. Step 5: Solve for x
    x = 17,508,023.02/3,811.80
  6. Step 6: Final answer
    x = 4,593.11

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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.