Home / 3,453.22-5,176.32-1,374.70

Finding the Fourth Proportional to 3,453.22, 5,176.32 and 1,374.70

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Solution

The fourth proportional to 3,453.22, 5,176.32 and 1,374.70 is: 2,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.22 : 5,176.32 = 1,374.70 : x
  2. Step 2: Convert to fraction form
    3,453.22/5,176.32 = 1,374.70/x
  3. Step 3: Cross multiply
    3,453.22x = 5,176.32 × 1,374.70
  4. Step 4: Simplify right side
    3,453.22x = 7,115,861.22
  5. Step 5: Solve for x
    x = 7,115,861.22/3,453.22
  6. Step 6: Final answer
    x = 2,060.65

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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.