Home / 2,220.94-3,330.44-1,180.69

Finding the Fourth Proportional to 2,220.94, 3,330.44 and 1,180.69

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Solution

The fourth proportional to 2,220.94, 3,330.44 and 1,180.69 is: 1,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.94 : 3,330.44 = 1,180.69 : x
  2. Step 2: Convert to fraction form
    2,220.94/3,330.44 = 1,180.69/x
  3. Step 3: Cross multiply
    2,220.94x = 3,330.44 × 1,180.69
  4. Step 4: Simplify right side
    2,220.94x = 3,932,202.97
  5. Step 5: Solve for x
    x = 3,932,202.97/2,220.94
  6. Step 6: Final answer
    x = 1,770.51

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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.