Home / 3,790.45-5,684.05-1,191.97

Finding the Fourth Proportional to 3,790.45, 5,684.05 and 1,191.97

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Solution

The fourth proportional to 3,790.45, 5,684.05 and 1,191.97 is: 1,787.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.45 : 5,684.05 = 1,191.97 : x
  2. Step 2: Convert to fraction form
    3,790.45/5,684.05 = 1,191.97/x
  3. Step 3: Cross multiply
    3,790.45x = 5,684.05 × 1,191.97
  4. Step 4: Simplify right side
    3,790.45x = 6,775,217.08
  5. Step 5: Solve for x
    x = 6,775,217.08/3,790.45
  6. Step 6: Final answer
    x = 1,787.44

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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.