Home / 3,791.60-5,688.20-1,194.72

Finding the Fourth Proportional to 3,791.60, 5,688.20 and 1,194.72

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Solution

The fourth proportional to 3,791.60, 5,688.20 and 1,194.72 is: 1,792.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.60 : 5,688.20 = 1,194.72 : x
  2. Step 2: Convert to fraction form
    3,791.60/5,688.20 = 1,194.72/x
  3. Step 3: Cross multiply
    3,791.60x = 5,688.20 × 1,194.72
  4. Step 4: Simplify right side
    3,791.60x = 6,795,806.30
  5. Step 5: Solve for x
    x = 6,795,806.30/3,791.60
  6. Step 6: Final answer
    x = 1,792.33

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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.