Home / 2,867.97-3,957.82-1,673.79

Finding the Fourth Proportional to 2,867.97, 3,957.82 and 1,673.79

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Solution

The fourth proportional to 2,867.97, 3,957.82 and 1,673.79 is: 2,309.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.97 : 3,957.82 = 1,673.79 : x
  2. Step 2: Convert to fraction form
    2,867.97/3,957.82 = 1,673.79/x
  3. Step 3: Cross multiply
    2,867.97x = 3,957.82 × 1,673.79
  4. Step 4: Simplify right side
    2,867.97x = 6,624,559.54
  5. Step 5: Solve for x
    x = 6,624,559.54/2,867.97
  6. Step 6: Final answer
    x = 2,309.84

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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.