Home / 3,639.75-5,022.68-2,067.81

Finding the Fourth Proportional to 3,639.75, 5,022.68 and 2,067.81

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Solution

The fourth proportional to 3,639.75, 5,022.68 and 2,067.81 is: 2,853.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.75 : 5,022.68 = 2,067.81 : x
  2. Step 2: Convert to fraction form
    3,639.75/5,022.68 = 2,067.81/x
  3. Step 3: Cross multiply
    3,639.75x = 5,022.68 × 2,067.81
  4. Step 4: Simplify right side
    3,639.75x = 10,385,937.59
  5. Step 5: Solve for x
    x = 10,385,937.59/3,639.75
  6. Step 6: Final answer
    x = 2,853.48

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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.