Home / 3,761.82-5,637.87-1,812.96

Finding the Fourth Proportional to 3,761.82, 5,637.87 and 1,812.96

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Solution

The fourth proportional to 3,761.82, 5,637.87 and 1,812.96 is: 2,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.82 : 5,637.87 = 1,812.96 : x
  2. Step 2: Convert to fraction form
    3,761.82/5,637.87 = 1,812.96/x
  3. Step 3: Cross multiply
    3,761.82x = 5,637.87 × 1,812.96
  4. Step 4: Simplify right side
    3,761.82x = 10,221,232.80
  5. Step 5: Solve for x
    x = 10,221,232.80/3,761.82
  6. Step 6: Final answer
    x = 2,717.10

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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.