Home / 3,067.87-4,233.63-1,670.62

Finding the Fourth Proportional to 3,067.87, 4,233.63 and 1,670.62

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Solution

The fourth proportional to 3,067.87, 4,233.63 and 1,670.62 is: 2,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.87 : 4,233.63 = 1,670.62 : x
  2. Step 2: Convert to fraction form
    3,067.87/4,233.63 = 1,670.62/x
  3. Step 3: Cross multiply
    3,067.87x = 4,233.63 × 1,670.62
  4. Step 4: Simplify right side
    3,067.87x = 7,072,786.95
  5. Step 5: Solve for x
    x = 7,072,786.95/3,067.87
  6. Step 6: Final answer
    x = 2,305.44

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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.