Home / 3,709.82-5,561.94-1,243.16

Finding the Fourth Proportional to 3,709.82, 5,561.94 and 1,243.16

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Solution

The fourth proportional to 3,709.82, 5,561.94 and 1,243.16 is: 1,863.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.82 : 5,561.94 = 1,243.16 : x
  2. Step 2: Convert to fraction form
    3,709.82/5,561.94 = 1,243.16/x
  3. Step 3: Cross multiply
    3,709.82x = 5,561.94 × 1,243.16
  4. Step 4: Simplify right side
    3,709.82x = 6,914,381.33
  5. Step 5: Solve for x
    x = 6,914,381.33/3,709.82
  6. Step 6: Final answer
    x = 1,863.81

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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.