Home / 2,743.40-4,112.22-1,973.48

Finding the Fourth Proportional to 2,743.40, 4,112.22 and 1,973.48

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Solution

The fourth proportional to 2,743.40, 4,112.22 and 1,973.48 is: 2,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.40 : 4,112.22 = 1,973.48 : x
  2. Step 2: Convert to fraction form
    2,743.40/4,112.22 = 1,973.48/x
  3. Step 3: Cross multiply
    2,743.40x = 4,112.22 × 1,973.48
  4. Step 4: Simplify right side
    2,743.40x = 8,115,383.93
  5. Step 5: Solve for x
    x = 8,115,383.93/2,743.40
  6. Step 6: Final answer
    x = 2,958.15

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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.