Home / 3,452.28-5,174.72-1,369.40

Finding the Fourth Proportional to 3,452.28, 5,174.72 and 1,369.40

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Solution

The fourth proportional to 3,452.28, 5,174.72 and 1,369.40 is: 2,052.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.28 : 5,174.72 = 1,369.40 : x
  2. Step 2: Convert to fraction form
    3,452.28/5,174.72 = 1,369.40/x
  3. Step 3: Cross multiply
    3,452.28x = 5,174.72 × 1,369.40
  4. Step 4: Simplify right side
    3,452.28x = 7,086,233.98
  5. Step 5: Solve for x
    x = 7,086,233.98/3,452.28
  6. Step 6: Final answer
    x = 2,052.63

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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.