Home / 3,690.67-5,093.15-2,198.65

Finding the Fourth Proportional to 3,690.67, 5,093.15 and 2,198.65

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Solution

The fourth proportional to 3,690.67, 5,093.15 and 2,198.65 is: 3,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.67 : 5,093.15 = 2,198.65 : x
  2. Step 2: Convert to fraction form
    3,690.67/5,093.15 = 2,198.65/x
  3. Step 3: Cross multiply
    3,690.67x = 5,093.15 × 2,198.65
  4. Step 4: Simplify right side
    3,690.67x = 11,198,030.52
  5. Step 5: Solve for x
    x = 11,198,030.52/3,690.67
  6. Step 6: Final answer
    x = 3,034.15

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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.