Home / 2,986.33-4,121.21-1,727.26

Finding the Fourth Proportional to 2,986.33, 4,121.21 and 1,727.26

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Solution

The fourth proportional to 2,986.33, 4,121.21 and 1,727.26 is: 2,383.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.33 : 4,121.21 = 1,727.26 : x
  2. Step 2: Convert to fraction form
    2,986.33/4,121.21 = 1,727.26/x
  3. Step 3: Cross multiply
    2,986.33x = 4,121.21 × 1,727.26
  4. Step 4: Simplify right side
    2,986.33x = 7,118,380.58
  5. Step 5: Solve for x
    x = 7,118,380.58/2,986.33
  6. Step 6: Final answer
    x = 2,383.66

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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.