Home / 2,212.67-3,051.91-1,372.48

Finding the Fourth Proportional to 2,212.67, 3,051.91 and 1,372.48

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Solution

The fourth proportional to 2,212.67, 3,051.91 and 1,372.48 is: 1,893.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.67 : 3,051.91 = 1,372.48 : x
  2. Step 2: Convert to fraction form
    2,212.67/3,051.91 = 1,372.48/x
  3. Step 3: Cross multiply
    2,212.67x = 3,051.91 × 1,372.48
  4. Step 4: Simplify right side
    2,212.67x = 4,188,685.44
  5. Step 5: Solve for x
    x = 4,188,685.44/2,212.67
  6. Step 6: Final answer
    x = 1,893.05

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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.