Home / 2,220.63-3,329.97-1,180.38

Finding the Fourth Proportional to 2,220.63, 3,329.97 and 1,180.38

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Solution

The fourth proportional to 2,220.63, 3,329.97 and 1,180.38 is: 1,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.63 : 3,329.97 = 1,180.38 : x
  2. Step 2: Convert to fraction form
    2,220.63/3,329.97 = 1,180.38/x
  3. Step 3: Cross multiply
    2,220.63x = 3,329.97 × 1,180.38
  4. Step 4: Simplify right side
    2,220.63x = 3,930,607.44
  5. Step 5: Solve for x
    x = 3,930,607.44/2,220.63
  6. Step 6: Final answer
    x = 1,770.05

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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.