Home / 3,243.38-4,865.34-1,394.54

Finding the Fourth Proportional to 3,243.38, 4,865.34 and 1,394.54

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Solution

The fourth proportional to 3,243.38, 4,865.34 and 1,394.54 is: 2,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.38 : 4,865.34 = 1,394.54 : x
  2. Step 2: Convert to fraction form
    3,243.38/4,865.34 = 1,394.54/x
  3. Step 3: Cross multiply
    3,243.38x = 4,865.34 × 1,394.54
  4. Step 4: Simplify right side
    3,243.38x = 6,784,911.24
  5. Step 5: Solve for x
    x = 6,784,911.24/3,243.38
  6. Step 6: Final answer
    x = 2,091.93

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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.