Home / 3,858.36-5,324.94-2,286.60

Finding the Fourth Proportional to 3,858.36, 5,324.94 and 2,286.60

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Solution

The fourth proportional to 3,858.36, 5,324.94 and 2,286.60 is: 3,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.36 : 5,324.94 = 2,286.60 : x
  2. Step 2: Convert to fraction form
    3,858.36/5,324.94 = 2,286.60/x
  3. Step 3: Cross multiply
    3,858.36x = 5,324.94 × 2,286.60
  4. Step 4: Simplify right side
    3,858.36x = 12,176,007.80
  5. Step 5: Solve for x
    x = 12,176,007.80/3,858.36
  6. Step 6: Final answer
    x = 3,155.75

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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.