Home / 3,766.91-5,197.69-2,173.19

Finding the Fourth Proportional to 3,766.91, 5,197.69 and 2,173.19

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Solution

The fourth proportional to 3,766.91, 5,197.69 and 2,173.19 is: 2,998.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.91 : 5,197.69 = 2,173.19 : x
  2. Step 2: Convert to fraction form
    3,766.91/5,197.69 = 2,173.19/x
  3. Step 3: Cross multiply
    3,766.91x = 5,197.69 × 2,173.19
  4. Step 4: Simplify right side
    3,766.91x = 11,295,557.07
  5. Step 5: Solve for x
    x = 11,295,557.07/3,766.91
  6. Step 6: Final answer
    x = 2,998.63

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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.