Home / 1,983.96-2,738.00-1,099.85

Finding the Fourth Proportional to 1,983.96, 2,738.00 and 1,099.85

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Solution

The fourth proportional to 1,983.96, 2,738.00 and 1,099.85 is: 1,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.96 : 2,738.00 = 1,099.85 : x
  2. Step 2: Convert to fraction form
    1,983.96/2,738.00 = 1,099.85/x
  3. Step 3: Cross multiply
    1,983.96x = 2,738.00 × 1,099.85
  4. Step 4: Simplify right side
    1,983.96x = 3,011,378.36
  5. Step 5: Solve for x
    x = 3,011,378.36/1,983.96
  6. Step 6: Final answer
    x = 1,517.86

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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.