Home / 3,881.80-5,816.22-2,725.48

Finding the Fourth Proportional to 3,881.80, 5,816.22 and 2,725.48

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Solution

The fourth proportional to 3,881.80, 5,816.22 and 2,725.48 is: 4,083.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.80 : 5,816.22 = 2,725.48 : x
  2. Step 2: Convert to fraction form
    3,881.80/5,816.22 = 2,725.48/x
  3. Step 3: Cross multiply
    3,881.80x = 5,816.22 × 2,725.48
  4. Step 4: Simplify right side
    3,881.80x = 15,851,991.29
  5. Step 5: Solve for x
    x = 15,851,991.29/3,881.80
  6. Step 6: Final answer
    x = 4,083.67

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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.