Home / 3,441.31-5,160.87-1,361.86

Finding the Fourth Proportional to 3,441.31, 5,160.87 and 1,361.86

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Solution

The fourth proportional to 3,441.31, 5,160.87 and 1,361.86 is: 2,042.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.31 : 5,160.87 = 1,361.86 : x
  2. Step 2: Convert to fraction form
    3,441.31/5,160.87 = 1,361.86/x
  3. Step 3: Cross multiply
    3,441.31x = 5,160.87 × 1,361.86
  4. Step 4: Simplify right side
    3,441.31x = 7,028,382.42
  5. Step 5: Solve for x
    x = 7,028,382.42/3,441.31
  6. Step 6: Final answer
    x = 2,042.36

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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.