Home / 2,177.82-3,003.75-1,549.26

Finding the Fourth Proportional to 2,177.82, 3,003.75 and 1,549.26

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Solution

The fourth proportional to 2,177.82, 3,003.75 and 1,549.26 is: 2,136.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.82 : 3,003.75 = 1,549.26 : x
  2. Step 2: Convert to fraction form
    2,177.82/3,003.75 = 1,549.26/x
  3. Step 3: Cross multiply
    2,177.82x = 3,003.75 × 1,549.26
  4. Step 4: Simplify right side
    2,177.82x = 4,653,589.73
  5. Step 5: Solve for x
    x = 4,653,589.73/2,177.82
  6. Step 6: Final answer
    x = 2,136.81

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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.