Home / 3,847.24-5,309.08-2,168.62

Finding the Fourth Proportional to 3,847.24, 5,309.08 and 2,168.62

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Solution

The fourth proportional to 3,847.24, 5,309.08 and 2,168.62 is: 2,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.24 : 5,309.08 = 2,168.62 : x
  2. Step 2: Convert to fraction form
    3,847.24/5,309.08 = 2,168.62/x
  3. Step 3: Cross multiply
    3,847.24x = 5,309.08 × 2,168.62
  4. Step 4: Simplify right side
    3,847.24x = 11,513,377.07
  5. Step 5: Solve for x
    x = 11,513,377.07/3,847.24
  6. Step 6: Final answer
    x = 2,992.63

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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.