Home / 3,431.33-5,143.46-1,350.49

Finding the Fourth Proportional to 3,431.33, 5,143.46 and 1,350.49

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Solution

The fourth proportional to 3,431.33, 5,143.46 and 1,350.49 is: 2,024.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.33 : 5,143.46 = 1,350.49 : x
  2. Step 2: Convert to fraction form
    3,431.33/5,143.46 = 1,350.49/x
  3. Step 3: Cross multiply
    3,431.33x = 5,143.46 × 1,350.49
  4. Step 4: Simplify right side
    3,431.33x = 6,946,191.30
  5. Step 5: Solve for x
    x = 6,946,191.30/3,431.33
  6. Step 6: Final answer
    x = 2,024.34

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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.