Home / 3,812.42-5,716.37-1,179.15

Finding the Fourth Proportional to 3,812.42, 5,716.37 and 1,179.15

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Solution

The fourth proportional to 3,812.42, 5,716.37 and 1,179.15 is: 1,768.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.42 : 5,716.37 = 1,179.15 : x
  2. Step 2: Convert to fraction form
    3,812.42/5,716.37 = 1,179.15/x
  3. Step 3: Cross multiply
    3,812.42x = 5,716.37 × 1,179.15
  4. Step 4: Simplify right side
    3,812.42x = 6,740,436.99
  5. Step 5: Solve for x
    x = 6,740,436.99/3,812.42
  6. Step 6: Final answer
    x = 1,768.02

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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.