Home / 3,730.43-5,147.99-2,137.60

Finding the Fourth Proportional to 3,730.43, 5,147.99 and 2,137.60

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Solution

The fourth proportional to 3,730.43, 5,147.99 and 2,137.60 is: 2,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.43 : 5,147.99 = 2,137.60 : x
  2. Step 2: Convert to fraction form
    3,730.43/5,147.99 = 2,137.60/x
  3. Step 3: Cross multiply
    3,730.43x = 5,147.99 × 2,137.60
  4. Step 4: Simplify right side
    3,730.43x = 11,004,317.68
  5. Step 5: Solve for x
    x = 11,004,317.68/3,730.43
  6. Step 6: Final answer
    x = 2,949.88

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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.