Home / 2,743.11-3,786.69-2,113.41

Finding the Fourth Proportional to 2,743.11, 3,786.69 and 2,113.41

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Solution

The fourth proportional to 2,743.11, 3,786.69 and 2,113.41 is: 2,917.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.11 : 3,786.69 = 2,113.41 : x
  2. Step 2: Convert to fraction form
    2,743.11/3,786.69 = 2,113.41/x
  3. Step 3: Cross multiply
    2,743.11x = 3,786.69 × 2,113.41
  4. Step 4: Simplify right side
    2,743.11x = 8,002,828.51
  5. Step 5: Solve for x
    x = 8,002,828.51/2,743.11
  6. Step 6: Final answer
    x = 2,917.43

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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.