Home / 1,983.30-2,736.90-1,099.08

Finding the Fourth Proportional to 1,983.30, 2,736.90 and 1,099.08

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Solution

The fourth proportional to 1,983.30, 2,736.90 and 1,099.08 is: 1,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.30 : 2,736.90 = 1,099.08 : x
  2. Step 2: Convert to fraction form
    1,983.30/2,736.90 = 1,099.08/x
  3. Step 3: Cross multiply
    1,983.30x = 2,736.90 × 1,099.08
  4. Step 4: Simplify right side
    1,983.30x = 3,008,072.05
  5. Step 5: Solve for x
    x = 3,008,072.05/1,983.30
  6. Step 6: Final answer
    x = 1,516.70

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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.