Home / 2,221.66-3,325.26-1,180.18

Finding the Fourth Proportional to 2,221.66, 3,325.26 and 1,180.18

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Solution

The fourth proportional to 2,221.66, 3,325.26 and 1,180.18 is: 1,766.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.66 : 3,325.26 = 1,180.18 : x
  2. Step 2: Convert to fraction form
    2,221.66/3,325.26 = 1,180.18/x
  3. Step 3: Cross multiply
    2,221.66x = 3,325.26 × 1,180.18
  4. Step 4: Simplify right side
    2,221.66x = 3,924,405.35
  5. Step 5: Solve for x
    x = 3,924,405.35/2,221.66
  6. Step 6: Final answer
    x = 1,766.43

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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.