Home / 3,838.26-5,297.44-2,422.72

Finding the Fourth Proportional to 3,838.26, 5,297.44 and 2,422.72

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Solution

The fourth proportional to 3,838.26, 5,297.44 and 2,422.72 is: 3,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.26 : 5,297.44 = 2,422.72 : x
  2. Step 2: Convert to fraction form
    3,838.26/5,297.44 = 2,422.72/x
  3. Step 3: Cross multiply
    3,838.26x = 5,297.44 × 2,422.72
  4. Step 4: Simplify right side
    3,838.26x = 12,834,201.72
  5. Step 5: Solve for x
    x = 12,834,201.72/3,838.26
  6. Step 6: Final answer
    x = 3,343.76

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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.