Home / 3,453.72-5,176.06-1,372.62

Finding the Fourth Proportional to 3,453.72, 5,176.06 and 1,372.62

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Solution

The fourth proportional to 3,453.72, 5,176.06 and 1,372.62 is: 2,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.72 : 5,176.06 = 1,372.62 : x
  2. Step 2: Convert to fraction form
    3,453.72/5,176.06 = 1,372.62/x
  3. Step 3: Cross multiply
    3,453.72x = 5,176.06 × 1,372.62
  4. Step 4: Simplify right side
    3,453.72x = 7,104,763.48
  5. Step 5: Solve for x
    x = 7,104,763.48/3,453.72
  6. Step 6: Final answer
    x = 2,057.13

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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.