Home / 3,639.36-5,021.12-2,067.04

Finding the Fourth Proportional to 3,639.36, 5,021.12 and 2,067.04

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Solution

The fourth proportional to 3,639.36, 5,021.12 and 2,067.04 is: 2,851.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.36 : 5,021.12 = 2,067.04 : x
  2. Step 2: Convert to fraction form
    3,639.36/5,021.12 = 2,067.04/x
  3. Step 3: Cross multiply
    3,639.36x = 5,021.12 × 2,067.04
  4. Step 4: Simplify right side
    3,639.36x = 10,378,855.88
  5. Step 5: Solve for x
    x = 10,378,855.88/3,639.36
  6. Step 6: Final answer
    x = 2,851.84

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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.