Home / 3,180.98-4,385.14-2,233.89

Finding the Fourth Proportional to 3,180.98, 4,385.14 and 2,233.89

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Solution

The fourth proportional to 3,180.98, 4,385.14 and 2,233.89 is: 3,079.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.98 : 4,385.14 = 2,233.89 : x
  2. Step 2: Convert to fraction form
    3,180.98/4,385.14 = 2,233.89/x
  3. Step 3: Cross multiply
    3,180.98x = 4,385.14 × 2,233.89
  4. Step 4: Simplify right side
    3,180.98x = 9,795,920.39
  5. Step 5: Solve for x
    x = 9,795,920.39/3,180.98
  6. Step 6: Final answer
    x = 3,079.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.