Home / 3,906.38-5,858.94-1,442.36

Finding the Fourth Proportional to 3,906.38, 5,858.94 and 1,442.36

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Solution

The fourth proportional to 3,906.38, 5,858.94 and 1,442.36 is: 2,163.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906.38 : 5,858.94 = 1,442.36 : x
  2. Step 2: Convert to fraction form
    3,906.38/5,858.94 = 1,442.36/x
  3. Step 3: Cross multiply
    3,906.38x = 5,858.94 × 1,442.36
  4. Step 4: Simplify right side
    3,906.38x = 8,450,720.75
  5. Step 5: Solve for x
    x = 8,450,720.75/3,906.38
  6. Step 6: Final answer
    x = 2,163.31

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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.