Home / 2,278.87-3,418.40-1,182.53

Finding the Fourth Proportional to 2,278.87, 3,418.40 and 1,182.53

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Solution

The fourth proportional to 2,278.87, 3,418.40 and 1,182.53 is: 1,773.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.87 : 3,418.40 = 1,182.53 : x
  2. Step 2: Convert to fraction form
    2,278.87/3,418.40 = 1,182.53/x
  3. Step 3: Cross multiply
    2,278.87x = 3,418.40 × 1,182.53
  4. Step 4: Simplify right side
    2,278.87x = 4,042,360.55
  5. Step 5: Solve for x
    x = 4,042,360.55/2,278.87
  6. Step 6: Final answer
    x = 1,773.84

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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.