Home / 3,983.22-5,497.40-2,867.85

Finding the Fourth Proportional to 3,983.22, 5,497.40 and 2,867.85

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Solution

The fourth proportional to 3,983.22, 5,497.40 and 2,867.85 is: 3,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.22 : 5,497.40 = 2,867.85 : x
  2. Step 2: Convert to fraction form
    3,983.22/5,497.40 = 2,867.85/x
  3. Step 3: Cross multiply
    3,983.22x = 5,497.40 × 2,867.85
  4. Step 4: Simplify right side
    3,983.22x = 15,765,718.59
  5. Step 5: Solve for x
    x = 15,765,718.59/3,983.22
  6. Step 6: Final answer
    x = 3,958.03

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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.