Home / 3,814.11-5,721.63-1,348.43

Finding the Fourth Proportional to 3,814.11, 5,721.63 and 1,348.43

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Solution

The fourth proportional to 3,814.11, 5,721.63 and 1,348.43 is: 2,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.11 : 5,721.63 = 1,348.43 : x
  2. Step 2: Convert to fraction form
    3,814.11/5,721.63 = 1,348.43/x
  3. Step 3: Cross multiply
    3,814.11x = 5,721.63 × 1,348.43
  4. Step 4: Simplify right side
    3,814.11x = 7,715,188.93
  5. Step 5: Solve for x
    x = 7,715,188.93/3,814.11
  6. Step 6: Final answer
    x = 2,022.80

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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.