Home / 3,635.11-5,453.19-1,786.33

Finding the Fourth Proportional to 3,635.11, 5,453.19 and 1,786.33

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Solution

The fourth proportional to 3,635.11, 5,453.19 and 1,786.33 is: 2,679.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.11 : 5,453.19 = 1,786.33 : x
  2. Step 2: Convert to fraction form
    3,635.11/5,453.19 = 1,786.33/x
  3. Step 3: Cross multiply
    3,635.11x = 5,453.19 × 1,786.33
  4. Step 4: Simplify right side
    3,635.11x = 9,741,196.89
  5. Step 5: Solve for x
    x = 9,741,196.89/3,635.11
  6. Step 6: Final answer
    x = 2,679.75

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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.