Home / 3,453.42-5,180.46-1,261.62

Finding the Fourth Proportional to 3,453.42, 5,180.46 and 1,261.62

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Solution

The fourth proportional to 3,453.42, 5,180.46 and 1,261.62 is: 1,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.42 : 5,180.46 = 1,261.62 : x
  2. Step 2: Convert to fraction form
    3,453.42/5,180.46 = 1,261.62/x
  3. Step 3: Cross multiply
    3,453.42x = 5,180.46 × 1,261.62
  4. Step 4: Simplify right side
    3,453.42x = 6,535,771.95
  5. Step 5: Solve for x
    x = 6,535,771.95/3,453.42
  6. Step 6: Final answer
    x = 1,892.55

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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.