Home / 1,992.07-2,988.94-1,067.38

Finding the Fourth Proportional to 1,992.07, 2,988.94 and 1,067.38

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Solution

The fourth proportional to 1,992.07, 2,988.94 and 1,067.38 is: 1,601.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992.07 : 2,988.94 = 1,067.38 : x
  2. Step 2: Convert to fraction form
    1,992.07/2,988.94 = 1,067.38/x
  3. Step 3: Cross multiply
    1,992.07x = 2,988.94 × 1,067.38
  4. Step 4: Simplify right side
    1,992.07x = 3,190,317.16
  5. Step 5: Solve for x
    x = 3,190,317.16/1,992.07
  6. Step 6: Final answer
    x = 1,601.51

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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.