Home / 3,452.79-5,179.73-1,372.81

Finding the Fourth Proportional to 3,452.79, 5,179.73 and 1,372.81

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Solution

The fourth proportional to 3,452.79, 5,179.73 and 1,372.81 is: 2,059.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.79 : 5,179.73 = 1,372.81 : x
  2. Step 2: Convert to fraction form
    3,452.79/5,179.73 = 1,372.81/x
  3. Step 3: Cross multiply
    3,452.79x = 5,179.73 × 1,372.81
  4. Step 4: Simplify right side
    3,452.79x = 7,110,768.19
  5. Step 5: Solve for x
    x = 7,110,768.19/3,452.79
  6. Step 6: Final answer
    x = 2,059.43

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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.