Home / 3,813.83-5,721.75-1,181.27

Finding the Fourth Proportional to 3,813.83, 5,721.75 and 1,181.27

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Solution

The fourth proportional to 3,813.83, 5,721.75 and 1,181.27 is: 1,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.83 : 5,721.75 = 1,181.27 : x
  2. Step 2: Convert to fraction form
    3,813.83/5,721.75 = 1,181.27/x
  3. Step 3: Cross multiply
    3,813.83x = 5,721.75 × 1,181.27
  4. Step 4: Simplify right side
    3,813.83x = 6,758,931.62
  5. Step 5: Solve for x
    x = 6,758,931.62/3,813.83
  6. Step 6: Final answer
    x = 1,772.22

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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.