Home / 3,185.42-4,395-2,067.02

Finding the Fourth Proportional to 3,185.42, 4,395 and 2,067.02

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Solution

The fourth proportional to 3,185.42, 4,395 and 2,067.02 is: 2,851.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.42 : 4,395 = 2,067.02 : x
  2. Step 2: Convert to fraction form
    3,185.42/4,395 = 2,067.02/x
  3. Step 3: Cross multiply
    3,185.42x = 4,395 × 2,067.02
  4. Step 4: Simplify right side
    3,185.42x = 9,084,552.90
  5. Step 5: Solve for x
    x = 9,084,552.90/3,185.42
  6. Step 6: Final answer
    x = 2,851.92

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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.