Home / 3,779.82-5,661.17-2,021.73

Finding the Fourth Proportional to 3,779.82, 5,661.17 and 2,021.73

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Solution

The fourth proportional to 3,779.82, 5,661.17 and 2,021.73 is: 3,028.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.82 : 5,661.17 = 2,021.73 : x
  2. Step 2: Convert to fraction form
    3,779.82/5,661.17 = 2,021.73/x
  3. Step 3: Cross multiply
    3,779.82x = 5,661.17 × 2,021.73
  4. Step 4: Simplify right side
    3,779.82x = 11,445,347.12
  5. Step 5: Solve for x
    x = 11,445,347.12/3,779.82
  6. Step 6: Final answer
    x = 3,028.01

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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.