Home / 1,964.17-2,942.74-1,183.09

Finding the Fourth Proportional to 1,964.17, 2,942.74 and 1,183.09

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Solution

The fourth proportional to 1,964.17, 2,942.74 and 1,183.09 is: 1,772.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.17 : 2,942.74 = 1,183.09 : x
  2. Step 2: Convert to fraction form
    1,964.17/2,942.74 = 1,183.09/x
  3. Step 3: Cross multiply
    1,964.17x = 2,942.74 × 1,183.09
  4. Step 4: Simplify right side
    1,964.17x = 3,481,542.78
  5. Step 5: Solve for x
    x = 3,481,542.78/1,964.17
  6. Step 6: Final answer
    x = 1,772.53

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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.