Home / 3,816.41-5,266.31-2,137.59

Finding the Fourth Proportional to 3,816.41, 5,266.31 and 2,137.59

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Solution

The fourth proportional to 3,816.41, 5,266.31 and 2,137.59 is: 2,949.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.41 : 5,266.31 = 2,137.59 : x
  2. Step 2: Convert to fraction form
    3,816.41/5,266.31 = 2,137.59/x
  3. Step 3: Cross multiply
    3,816.41x = 5,266.31 × 2,137.59
  4. Step 4: Simplify right side
    3,816.41x = 11,257,200.90
  5. Step 5: Solve for x
    x = 11,257,200.90/3,816.41
  6. Step 6: Final answer
    x = 2,949.69

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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.