Home / 3,816.41-5,266.70-2,223.02

Finding the Fourth Proportional to 3,816.41, 5,266.70 and 2,223.02

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Solution

The fourth proportional to 3,816.41, 5,266.70 and 2,223.02 is: 3,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.41 : 5,266.70 = 2,223.02 : x
  2. Step 2: Convert to fraction form
    3,816.41/5,266.70 = 2,223.02/x
  3. Step 3: Cross multiply
    3,816.41x = 5,266.70 × 2,223.02
  4. Step 4: Simplify right side
    3,816.41x = 11,707,978.41
  5. Step 5: Solve for x
    x = 11,707,978.41/3,816.41
  6. Step 6: Final answer
    x = 3,067.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.