Home / 3,912.09-5,874.41-2,269.81

Finding the Fourth Proportional to 3,912.09, 5,874.41 and 2,269.81

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Solution

The fourth proportional to 3,912.09, 5,874.41 and 2,269.81 is: 3,408.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.09 : 5,874.41 = 2,269.81 : x
  2. Step 2: Convert to fraction form
    3,912.09/5,874.41 = 2,269.81/x
  3. Step 3: Cross multiply
    3,912.09x = 5,874.41 × 2,269.81
  4. Step 4: Simplify right side
    3,912.09x = 13,333,794.56
  5. Step 5: Solve for x
    x = 13,333,794.56/3,912.09
  6. Step 6: Final answer
    x = 3,408.36

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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.