Home / 2,278.80-3,414.24-1,181.52

Finding the Fourth Proportional to 2,278.80, 3,414.24 and 1,181.52

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Solution

The fourth proportional to 2,278.80, 3,414.24 and 1,181.52 is: 1,770.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.80 : 3,414.24 = 1,181.52 : x
  2. Step 2: Convert to fraction form
    2,278.80/3,414.24 = 1,181.52/x
  3. Step 3: Cross multiply
    2,278.80x = 3,414.24 × 1,181.52
  4. Step 4: Simplify right side
    2,278.80x = 4,033,992.84
  5. Step 5: Solve for x
    x = 4,033,992.84/2,278.80
  6. Step 6: Final answer
    x = 1,770.23

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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.