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Finding the Fourth Proportional to 3,845.95, 5,268.97 and 3,701.97

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Solution

The fourth proportional to 3,845.95, 5,268.97 and 3,701.97 is: 5,071.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.95 : 5,268.97 = 3,701.97 : x
  2. Step 2: Convert to fraction form
    3,845.95/5,268.97 = 3,701.97/x
  3. Step 3: Cross multiply
    3,845.95x = 5,268.97 × 3,701.97
  4. Step 4: Simplify right side
    3,845.95x = 19,505,568.87
  5. Step 5: Solve for x
    x = 19,505,568.87/3,845.95
  6. Step 6: Final answer
    x = 5,071.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.