Home / 3,724.29-5,137.36-2,308.21

Finding the Fourth Proportional to 3,724.29, 5,137.36 and 2,308.21

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Solution

The fourth proportional to 3,724.29, 5,137.36 and 2,308.21 is: 3,183.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.29 : 5,137.36 = 2,308.21 : x
  2. Step 2: Convert to fraction form
    3,724.29/5,137.36 = 2,308.21/x
  3. Step 3: Cross multiply
    3,724.29x = 5,137.36 × 2,308.21
  4. Step 4: Simplify right side
    3,724.29x = 11,858,087.11
  5. Step 5: Solve for x
    x = 11,858,087.11/3,724.29
  6. Step 6: Final answer
    x = 3,183.99

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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.