Home / 3,691.22-5,091.01-2,365.05

Finding the Fourth Proportional to 3,691.22, 5,091.01 and 2,365.05

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Solution

The fourth proportional to 3,691.22, 5,091.01 and 2,365.05 is: 3,261.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.22 : 5,091.01 = 2,365.05 : x
  2. Step 2: Convert to fraction form
    3,691.22/5,091.01 = 2,365.05/x
  3. Step 3: Cross multiply
    3,691.22x = 5,091.01 × 2,365.05
  4. Step 4: Simplify right side
    3,691.22x = 12,040,487.29
  5. Step 5: Solve for x
    x = 12,040,487.29/3,691.22
  6. Step 6: Final answer
    x = 3,261.92

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1.5x scale

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.