Home / 3,858.26-5,324.31-2,179.44

Finding the Fourth Proportional to 3,858.26, 5,324.31 and 2,179.44

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Solution

The fourth proportional to 3,858.26, 5,324.31 and 2,179.44 is: 3,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.26 : 5,324.31 = 2,179.44 : x
  2. Step 2: Convert to fraction form
    3,858.26/5,324.31 = 2,179.44/x
  3. Step 3: Cross multiply
    3,858.26x = 5,324.31 × 2,179.44
  4. Step 4: Simplify right side
    3,858.26x = 11,604,014.19
  5. Step 5: Solve for x
    x = 11,604,014.19/3,858.26
  6. Step 6: Final answer
    x = 3,007.58

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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.