Home / 3,101.60-4,266.73-2,721.85

Finding the Fourth Proportional to 3,101.60, 4,266.73 and 2,721.85

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Solution

The fourth proportional to 3,101.60, 4,266.73 and 2,721.85 is: 3,744.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.60 : 4,266.73 = 2,721.85 : x
  2. Step 2: Convert to fraction form
    3,101.60/4,266.73 = 2,721.85/x
  3. Step 3: Cross multiply
    3,101.60x = 4,266.73 × 2,721.85
  4. Step 4: Simplify right side
    3,101.60x = 11,613,399.05
  5. Step 5: Solve for x
    x = 11,613,399.05/3,101.60
  6. Step 6: Final answer
    x = 3,744.33

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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.