Home / 3,847.37-5,308.99-2,168.62

Finding the Fourth Proportional to 3,847.37, 5,308.99 and 2,168.62

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Solution

The fourth proportional to 3,847.37, 5,308.99 and 2,168.62 is: 2,992.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.37 : 5,308.99 = 2,168.62 : x
  2. Step 2: Convert to fraction form
    3,847.37/5,308.99 = 2,168.62/x
  3. Step 3: Cross multiply
    3,847.37x = 5,308.99 × 2,168.62
  4. Step 4: Simplify right side
    3,847.37x = 11,513,163.20
  5. Step 5: Solve for x
    x = 11,513,163.20/3,847.37
  6. Step 6: Final answer
    x = 2,992.48

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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.