Home / 3,690.06-5,091.70-2,197.94

Finding the Fourth Proportional to 3,690.06, 5,091.70 and 2,197.94

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Solution

The fourth proportional to 3,690.06, 5,091.70 and 2,197.94 is: 3,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.06 : 5,091.70 = 2,197.94 : x
  2. Step 2: Convert to fraction form
    3,690.06/5,091.70 = 2,197.94/x
  3. Step 3: Cross multiply
    3,690.06x = 5,091.70 × 2,197.94
  4. Step 4: Simplify right side
    3,690.06x = 11,191,251.10
  5. Step 5: Solve for x
    x = 11,191,251.10/3,690.06
  6. Step 6: Final answer
    x = 3,032.81

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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.