Home / 3,791.35-5,680.10-2,748.77

Finding the Fourth Proportional to 3,791.35, 5,680.10 and 2,748.77

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Solution

The fourth proportional to 3,791.35, 5,680.10 and 2,748.77 is: 4,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.35 : 5,680.10 = 2,748.77 : x
  2. Step 2: Convert to fraction form
    3,791.35/5,680.10 = 2,748.77/x
  3. Step 3: Cross multiply
    3,791.35x = 5,680.10 × 2,748.77
  4. Step 4: Simplify right side
    3,791.35x = 15,613,274.73
  5. Step 5: Solve for x
    x = 15,613,274.73/3,791.35
  6. Step 6: Final answer
    x = 4,118.13

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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.