Home / 3,814.67-5,721.26-1,349.21

Finding the Fourth Proportional to 3,814.67, 5,721.26 and 1,349.21

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Solution

The fourth proportional to 3,814.67, 5,721.26 and 1,349.21 is: 2,023.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.67 : 5,721.26 = 1,349.21 : x
  2. Step 2: Convert to fraction form
    3,814.67/5,721.26 = 1,349.21/x
  3. Step 3: Cross multiply
    3,814.67x = 5,721.26 × 1,349.21
  4. Step 4: Simplify right side
    3,814.67x = 7,719,145.85
  5. Step 5: Solve for x
    x = 7,719,145.85/3,814.67
  6. Step 6: Final answer
    x = 2,023.54

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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.