Home / 3,453.32-5,176.62-1,372.64

Finding the Fourth Proportional to 3,453.32, 5,176.62 and 1,372.64

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Solution

The fourth proportional to 3,453.32, 5,176.62 and 1,372.64 is: 2,057.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.32 : 5,176.62 = 1,372.64 : x
  2. Step 2: Convert to fraction form
    3,453.32/5,176.62 = 1,372.64/x
  3. Step 3: Cross multiply
    3,453.32x = 5,176.62 × 1,372.64
  4. Step 4: Simplify right side
    3,453.32x = 7,105,635.68
  5. Step 5: Solve for x
    x = 7,105,635.68/3,453.32
  6. Step 6: Final answer
    x = 2,057.62

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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.