Home / 3,781.21-5,673.87-1,833.41

Finding the Fourth Proportional to 3,781.21, 5,673.87 and 1,833.41

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Solution

The fourth proportional to 3,781.21, 5,673.87 and 1,833.41 is: 2,751.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.21 : 5,673.87 = 1,833.41 : x
  2. Step 2: Convert to fraction form
    3,781.21/5,673.87 = 1,833.41/x
  3. Step 3: Cross multiply
    3,781.21x = 5,673.87 × 1,833.41
  4. Step 4: Simplify right side
    3,781.21x = 10,402,530.00
  5. Step 5: Solve for x
    x = 10,402,530.00/3,781.21
  6. Step 6: Final answer
    x = 2,751.11

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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.