Home / 3,791.19-5,690.40-2,738.06

Finding the Fourth Proportional to 3,791.19, 5,690.40 and 2,738.06

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Solution

The fourth proportional to 3,791.19, 5,690.40 and 2,738.06 is: 4,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.19 : 5,690.40 = 2,738.06 : x
  2. Step 2: Convert to fraction form
    3,791.19/5,690.40 = 2,738.06/x
  3. Step 3: Cross multiply
    3,791.19x = 5,690.40 × 2,738.06
  4. Step 4: Simplify right side
    3,791.19x = 15,580,656.62
  5. Step 5: Solve for x
    x = 15,580,656.62/3,791.19
  6. Step 6: Final answer
    x = 4,109.70

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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.