Home / 3,759.82-5,645.19-2,775.67

Finding the Fourth Proportional to 3,759.82, 5,645.19 and 2,775.67

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Solution

The fourth proportional to 3,759.82, 5,645.19 and 2,775.67 is: 4,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.82 : 5,645.19 = 2,775.67 : x
  2. Step 2: Convert to fraction form
    3,759.82/5,645.19 = 2,775.67/x
  3. Step 3: Cross multiply
    3,759.82x = 5,645.19 × 2,775.67
  4. Step 4: Simplify right side
    3,759.82x = 15,669,180.82
  5. Step 5: Solve for x
    x = 15,669,180.82/3,759.82
  6. Step 6: Final answer
    x = 4,167.54

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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.