Home / 3,639.87-5,023.08-2,067.99

Finding the Fourth Proportional to 3,639.87, 5,023.08 and 2,067.99

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Solution

The fourth proportional to 3,639.87, 5,023.08 and 2,067.99 is: 2,853.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.87 : 5,023.08 = 2,067.99 : x
  2. Step 2: Convert to fraction form
    3,639.87/5,023.08 = 2,067.99/x
  3. Step 3: Cross multiply
    3,639.87x = 5,023.08 × 2,067.99
  4. Step 4: Simplify right side
    3,639.87x = 10,387,679.21
  5. Step 5: Solve for x
    x = 10,387,679.21/3,639.87
  6. Step 6: Final answer
    x = 2,853.86

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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.