Home / 3,451.33-5,179.11-1,372.33

Finding the Fourth Proportional to 3,451.33, 5,179.11 and 1,372.33

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Solution

The fourth proportional to 3,451.33, 5,179.11 and 1,372.33 is: 2,059.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.33 : 5,179.11 = 1,372.33 : x
  2. Step 2: Convert to fraction form
    3,451.33/5,179.11 = 1,372.33/x
  3. Step 3: Cross multiply
    3,451.33x = 5,179.11 × 1,372.33
  4. Step 4: Simplify right side
    3,451.33x = 7,107,448.03
  5. Step 5: Solve for x
    x = 7,107,448.03/3,451.33
  6. Step 6: Final answer
    x = 2,059.34

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1.5x scale

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.