Home / 3,639.66-5,022.84-2,067.85

Finding the Fourth Proportional to 3,639.66, 5,022.84 and 2,067.85

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Solution

The fourth proportional to 3,639.66, 5,022.84 and 2,067.85 is: 2,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.66 : 5,022.84 = 2,067.85 : x
  2. Step 2: Convert to fraction form
    3,639.66/5,022.84 = 2,067.85/x
  3. Step 3: Cross multiply
    3,639.66x = 5,022.84 × 2,067.85
  4. Step 4: Simplify right side
    3,639.66x = 10,386,479.69
  5. Step 5: Solve for x
    x = 10,386,479.69/3,639.66
  6. Step 6: Final answer
    x = 2,853.70

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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.