Home / 3,766.82-5,197.95-2,173.10

Finding the Fourth Proportional to 3,766.82, 5,197.95 and 2,173.10

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Solution

The fourth proportional to 3,766.82, 5,197.95 and 2,173.10 is: 2,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.82 : 5,197.95 = 2,173.10 : x
  2. Step 2: Convert to fraction form
    3,766.82/5,197.95 = 2,173.10/x
  3. Step 3: Cross multiply
    3,766.82x = 5,197.95 × 2,173.10
  4. Step 4: Simplify right side
    3,766.82x = 11,295,639.16
  5. Step 5: Solve for x
    x = 11,295,639.16/3,766.82
  6. Step 6: Final answer
    x = 2,998.72

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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.