Home / 3,830.14-5,286.09-2,338.26

Finding the Fourth Proportional to 3,830.14, 5,286.09 and 2,338.26

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Solution

The fourth proportional to 3,830.14, 5,286.09 and 2,338.26 is: 3,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.14 : 5,286.09 = 2,338.26 : x
  2. Step 2: Convert to fraction form
    3,830.14/5,286.09 = 2,338.26/x
  3. Step 3: Cross multiply
    3,830.14x = 5,286.09 × 2,338.26
  4. Step 4: Simplify right side
    3,830.14x = 12,360,252.80
  5. Step 5: Solve for x
    x = 12,360,252.80/3,830.14
  6. Step 6: Final answer
    x = 3,227.10

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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.