Home / 1,998.08-2,757.33-1,113.83

Finding the Fourth Proportional to 1,998.08, 2,757.33 and 1,113.83

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Solution

The fourth proportional to 1,998.08, 2,757.33 and 1,113.83 is: 1,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998.08 : 2,757.33 = 1,113.83 : x
  2. Step 2: Convert to fraction form
    1,998.08/2,757.33 = 1,113.83/x
  3. Step 3: Cross multiply
    1,998.08x = 2,757.33 × 1,113.83
  4. Step 4: Simplify right side
    1,998.08x = 3,071,183.09
  5. Step 5: Solve for x
    x = 3,071,183.09/1,998.08
  6. Step 6: Final answer
    x = 1,537.07

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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.