Home / 3,711.21-5,121.92-2,295.84

Finding the Fourth Proportional to 3,711.21, 5,121.92 and 2,295.84

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Solution

The fourth proportional to 3,711.21, 5,121.92 and 2,295.84 is: 3,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.21 : 5,121.92 = 2,295.84 : x
  2. Step 2: Convert to fraction form
    3,711.21/5,121.92 = 2,295.84/x
  3. Step 3: Cross multiply
    3,711.21x = 5,121.92 × 2,295.84
  4. Step 4: Simplify right side
    3,711.21x = 11,759,097.33
  5. Step 5: Solve for x
    x = 11,759,097.33/3,711.21
  6. Step 6: Final answer
    x = 3,168.53

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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.