Home / 1,983.42-2,734.97-1,237.11

Finding the Fourth Proportional to 1,983.42, 2,734.97 and 1,237.11

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Solution

The fourth proportional to 1,983.42, 2,734.97 and 1,237.11 is: 1,705.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.42 : 2,734.97 = 1,237.11 : x
  2. Step 2: Convert to fraction form
    1,983.42/2,734.97 = 1,237.11/x
  3. Step 3: Cross multiply
    1,983.42x = 2,734.97 × 1,237.11
  4. Step 4: Simplify right side
    1,983.42x = 3,383,452.55
  5. Step 5: Solve for x
    x = 3,383,452.55/1,983.42
  6. Step 6: Final answer
    x = 1,705.87

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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.