Home / 3,704.72-5,112.87-2,212.62

Finding the Fourth Proportional to 3,704.72, 5,112.87 and 2,212.62

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Solution

The fourth proportional to 3,704.72, 5,112.87 and 2,212.62 is: 3,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.72 : 5,112.87 = 2,212.62 : x
  2. Step 2: Convert to fraction form
    3,704.72/5,112.87 = 2,212.62/x
  3. Step 3: Cross multiply
    3,704.72x = 5,112.87 × 2,212.62
  4. Step 4: Simplify right side
    3,704.72x = 11,312,845.67
  5. Step 5: Solve for x
    x = 11,312,845.67/3,704.72
  6. Step 6: Final answer
    x = 3,053.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.