Home / 3,827.80-5,741.70-3,791.35

Finding the Fourth Proportional to 3,827.80, 5,741.70 and 3,791.35

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Solution

The fourth proportional to 3,827.80, 5,741.70 and 3,791.35 is: 5,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.80 : 5,741.70 = 3,791.35 : x
  2. Step 2: Convert to fraction form
    3,827.80/5,741.70 = 3,791.35/x
  3. Step 3: Cross multiply
    3,827.80x = 5,741.70 × 3,791.35
  4. Step 4: Simplify right side
    3,827.80x = 21,768,794.30
  5. Step 5: Solve for x
    x = 21,768,794.30/3,827.80
  6. Step 6: Final answer
    x = 5,687.03

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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.