Home / 3,877.49-5,817.26-2,028.11

Finding the Fourth Proportional to 3,877.49, 5,817.26 and 2,028.11

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Solution

The fourth proportional to 3,877.49, 5,817.26 and 2,028.11 is: 3,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.49 : 5,817.26 = 2,028.11 : x
  2. Step 2: Convert to fraction form
    3,877.49/5,817.26 = 2,028.11/x
  3. Step 3: Cross multiply
    3,877.49x = 5,817.26 × 2,028.11
  4. Step 4: Simplify right side
    3,877.49x = 11,798,051.62
  5. Step 5: Solve for x
    x = 11,798,051.62/3,877.49
  6. Step 6: Final answer
    x = 3,042.70

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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.