Home / 3,867.11-5,336.46-2,098.65

Finding the Fourth Proportional to 3,867.11, 5,336.46 and 2,098.65

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Solution

The fourth proportional to 3,867.11, 5,336.46 and 2,098.65 is: 2,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.11 : 5,336.46 = 2,098.65 : x
  2. Step 2: Convert to fraction form
    3,867.11/5,336.46 = 2,098.65/x
  3. Step 3: Cross multiply
    3,867.11x = 5,336.46 × 2,098.65
  4. Step 4: Simplify right side
    3,867.11x = 11,199,361.78
  5. Step 5: Solve for x
    x = 11,199,361.78/3,867.11
  6. Step 6: Final answer
    x = 2,896.05

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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.