Home / 3,816.22-5,266.58-2,137.53

Finding the Fourth Proportional to 3,816.22, 5,266.58 and 2,137.53

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Solution

The fourth proportional to 3,816.22, 5,266.58 and 2,137.53 is: 2,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.22 : 5,266.58 = 2,137.53 : x
  2. Step 2: Convert to fraction form
    3,816.22/5,266.58 = 2,137.53/x
  3. Step 3: Cross multiply
    3,816.22x = 5,266.58 × 2,137.53
  4. Step 4: Simplify right side
    3,816.22x = 11,257,441.07
  5. Step 5: Solve for x
    x = 11,257,441.07/3,816.22
  6. Step 6: Final answer
    x = 2,949.90

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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.