Home / 3,867.26-5,336.79-3,028.82

Finding the Fourth Proportional to 3,867.26, 5,336.79 and 3,028.82

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Solution

The fourth proportional to 3,867.26, 5,336.79 and 3,028.82 is: 4,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.26 : 5,336.79 = 3,028.82 : x
  2. Step 2: Convert to fraction form
    3,867.26/5,336.79 = 3,028.82/x
  3. Step 3: Cross multiply
    3,867.26x = 5,336.79 × 3,028.82
  4. Step 4: Simplify right side
    3,867.26x = 16,164,176.29
  5. Step 5: Solve for x
    x = 16,164,176.29/3,867.26
  6. Step 6: Final answer
    x = 4,179.75

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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.