Home / 3,261.20-4,892.20-1,180.94

Finding the Fourth Proportional to 3,261.20, 4,892.20 and 1,180.94

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Solution

The fourth proportional to 3,261.20, 4,892.20 and 1,180.94 is: 1,771.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.20 : 4,892.20 = 1,180.94 : x
  2. Step 2: Convert to fraction form
    3,261.20/4,892.20 = 1,180.94/x
  3. Step 3: Cross multiply
    3,261.20x = 4,892.20 × 1,180.94
  4. Step 4: Simplify right side
    3,261.20x = 5,777,367.25
  5. Step 5: Solve for x
    x = 5,777,367.25/3,261.20
  6. Step 6: Final answer
    x = 1,771.55

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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.