Home / 3,811.55-5,707.31-3,067.20

Finding the Fourth Proportional to 3,811.55, 5,707.31 and 3,067.20

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Solution

The fourth proportional to 3,811.55, 5,707.31 and 3,067.20 is: 4,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.55 : 5,707.31 = 3,067.20 : x
  2. Step 2: Convert to fraction form
    3,811.55/5,707.31 = 3,067.20/x
  3. Step 3: Cross multiply
    3,811.55x = 5,707.31 × 3,067.20
  4. Step 4: Simplify right side
    3,811.55x = 17,505,445.90
  5. Step 5: Solve for x
    x = 17,505,445.90/3,811.55
  6. Step 6: Final answer
    x = 4,592.74

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1.5x scale

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.