Home / 3,067.28-4,232.85-1,670

Finding the Fourth Proportional to 3,067.28, 4,232.85 and 1,670

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Solution

The fourth proportional to 3,067.28, 4,232.85 and 1,670 is: 2,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.28 : 4,232.85 = 1,670 : x
  2. Step 2: Convert to fraction form
    3,067.28/4,232.85 = 1,670/x
  3. Step 3: Cross multiply
    3,067.28x = 4,232.85 × 1,670
  4. Step 4: Simplify right side
    3,067.28x = 7,068,859.50
  5. Step 5: Solve for x
    x = 7,068,859.50/3,067.28
  6. Step 6: Final answer
    x = 2,304.60

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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.