Home / 3,817.13-5,268.04-2,769.80

Finding the Fourth Proportional to 3,817.13, 5,268.04 and 2,769.80

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Solution

The fourth proportional to 3,817.13, 5,268.04 and 2,769.80 is: 3,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.13 : 5,268.04 = 2,769.80 : x
  2. Step 2: Convert to fraction form
    3,817.13/5,268.04 = 2,769.80/x
  3. Step 3: Cross multiply
    3,817.13x = 5,268.04 × 2,769.80
  4. Step 4: Simplify right side
    3,817.13x = 14,591,383.93
  5. Step 5: Solve for x
    x = 14,591,383.93/3,817.13
  6. Step 6: Final answer
    x = 3,822.61

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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.