Home / 3,816.26-5,266.26-2,137.88

Finding the Fourth Proportional to 3,816.26, 5,266.26 and 2,137.88

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Solution

The fourth proportional to 3,816.26, 5,266.26 and 2,137.88 is: 2,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.26 : 5,266.26 = 2,137.88 : x
  2. Step 2: Convert to fraction form
    3,816.26/5,266.26 = 2,137.88/x
  3. Step 3: Cross multiply
    3,816.26x = 5,266.26 × 2,137.88
  4. Step 4: Simplify right side
    3,816.26x = 11,258,631.93
  5. Step 5: Solve for x
    x = 11,258,631.93/3,816.26
  6. Step 6: Final answer
    x = 2,950.17

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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.