Home / 3,911.09-5,872.91-2,268.81

Finding the Fourth Proportional to 3,911.09, 5,872.91 and 2,268.81

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Solution

The fourth proportional to 3,911.09, 5,872.91 and 2,268.81 is: 3,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.09 : 5,872.91 = 2,268.81 : x
  2. Step 2: Convert to fraction form
    3,911.09/5,872.91 = 2,268.81/x
  3. Step 3: Cross multiply
    3,911.09x = 5,872.91 × 2,268.81
  4. Step 4: Simplify right side
    3,911.09x = 13,324,505.59
  5. Step 5: Solve for x
    x = 13,324,505.59/3,911.09
  6. Step 6: Final answer
    x = 3,406.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.