Home / 1,942.66-2,680.14-1,244.44

Finding the Fourth Proportional to 1,942.66, 2,680.14 and 1,244.44

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Solution

The fourth proportional to 1,942.66, 2,680.14 and 1,244.44 is: 1,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.66 : 2,680.14 = 1,244.44 : x
  2. Step 2: Convert to fraction form
    1,942.66/2,680.14 = 1,244.44/x
  3. Step 3: Cross multiply
    1,942.66x = 2,680.14 × 1,244.44
  4. Step 4: Simplify right side
    1,942.66x = 3,335,266.72
  5. Step 5: Solve for x
    x = 3,335,266.72/1,942.66
  6. Step 6: Final answer
    x = 1,716.86

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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.