Home / 2,733.82-3,773.08-1,991.15

Finding the Fourth Proportional to 2,733.82, 3,773.08 and 1,991.15

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Solution

The fourth proportional to 2,733.82, 3,773.08 and 1,991.15 is: 2,748.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.82 : 3,773.08 = 1,991.15 : x
  2. Step 2: Convert to fraction form
    2,733.82/3,773.08 = 1,991.15/x
  3. Step 3: Cross multiply
    2,733.82x = 3,773.08 × 1,991.15
  4. Step 4: Simplify right side
    2,733.82x = 7,512,766.01
  5. Step 5: Solve for x
    x = 7,512,766.01/2,733.82
  6. Step 6: Final answer
    x = 2,748.09

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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.