Home / 2,727.80-4,090.64-1,166.82

Finding the Fourth Proportional to 2,727.80, 4,090.64 and 1,166.82

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Solution

The fourth proportional to 2,727.80, 4,090.64 and 1,166.82 is: 1,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.80 : 4,090.64 = 1,166.82 : x
  2. Step 2: Convert to fraction form
    2,727.80/4,090.64 = 1,166.82/x
  3. Step 3: Cross multiply
    2,727.80x = 4,090.64 × 1,166.82
  4. Step 4: Simplify right side
    2,727.80x = 4,773,040.56
  5. Step 5: Solve for x
    x = 4,773,040.56/2,727.80
  6. Step 6: Final answer
    x = 1,749.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.