Home / 3,195.45-4,409.93-1,936.62

Finding the Fourth Proportional to 3,195.45, 4,409.93 and 1,936.62

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Solution

The fourth proportional to 3,195.45, 4,409.93 and 1,936.62 is: 2,672.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.45 : 4,409.93 = 1,936.62 : x
  2. Step 2: Convert to fraction form
    3,195.45/4,409.93 = 1,936.62/x
  3. Step 3: Cross multiply
    3,195.45x = 4,409.93 × 1,936.62
  4. Step 4: Simplify right side
    3,195.45x = 8,540,348.95
  5. Step 5: Solve for x
    x = 8,540,348.95/3,195.45
  6. Step 6: Final answer
    x = 2,672.66

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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.