Home / 3,639.85-5,022.98-2,067.94

Finding the Fourth Proportional to 3,639.85, 5,022.98 and 2,067.94

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Solution

The fourth proportional to 3,639.85, 5,022.98 and 2,067.94 is: 2,853.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.85 : 5,022.98 = 2,067.94 : x
  2. Step 2: Convert to fraction form
    3,639.85/5,022.98 = 2,067.94/x
  3. Step 3: Cross multiply
    3,639.85x = 5,022.98 × 2,067.94
  4. Step 4: Simplify right side
    3,639.85x = 10,387,213.87
  5. Step 5: Solve for x
    x = 10,387,213.87/3,639.85
  6. Step 6: Final answer
    x = 2,853.75

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1.5x scale

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.