Home / 3,391.31-5,086.73-1,199.75

Finding the Fourth Proportional to 3,391.31, 5,086.73 and 1,199.75

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Solution

The fourth proportional to 3,391.31, 5,086.73 and 1,199.75 is: 1,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.31 : 5,086.73 = 1,199.75 : x
  2. Step 2: Convert to fraction form
    3,391.31/5,086.73 = 1,199.75/x
  3. Step 3: Cross multiply
    3,391.31x = 5,086.73 × 1,199.75
  4. Step 4: Simplify right side
    3,391.31x = 6,102,804.32
  5. Step 5: Solve for x
    x = 6,102,804.32/3,391.31
  6. Step 6: Final answer
    x = 1,799.54

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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.