Home / 3,166.87-4,750.97-1,086.39

Finding the Fourth Proportional to 3,166.87, 4,750.97 and 1,086.39

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Solution

The fourth proportional to 3,166.87, 4,750.97 and 1,086.39 is: 1,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.87 : 4,750.97 = 1,086.39 : x
  2. Step 2: Convert to fraction form
    3,166.87/4,750.97 = 1,086.39/x
  3. Step 3: Cross multiply
    3,166.87x = 4,750.97 × 1,086.39
  4. Step 4: Simplify right side
    3,166.87x = 5,161,406.30
  5. Step 5: Solve for x
    x = 5,161,406.30/3,166.87
  6. Step 6: Final answer
    x = 1,629.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.