Home / 3,816.33-5,266.80-2,137.88

Finding the Fourth Proportional to 3,816.33, 5,266.80 and 2,137.88

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Solution

The fourth proportional to 3,816.33, 5,266.80 and 2,137.88 is: 2,950.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.33 : 5,266.80 = 2,137.88 : x
  2. Step 2: Convert to fraction form
    3,816.33/5,266.80 = 2,137.88/x
  3. Step 3: Cross multiply
    3,816.33x = 5,266.80 × 2,137.88
  4. Step 4: Simplify right side
    3,816.33x = 11,259,786.38
  5. Step 5: Solve for x
    x = 11,259,786.38/3,816.33
  6. Step 6: Final answer
    x = 2,950.42

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1.5x scale

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.