Home / 2,195.01-3,290.31-2,019.86

Finding the Fourth Proportional to 2,195.01, 3,290.31 and 2,019.86

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Solution

The fourth proportional to 2,195.01, 3,290.31 and 2,019.86 is: 3,027.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.01 : 3,290.31 = 2,019.86 : x
  2. Step 2: Convert to fraction form
    2,195.01/3,290.31 = 2,019.86/x
  3. Step 3: Cross multiply
    2,195.01x = 3,290.31 × 2,019.86
  4. Step 4: Simplify right side
    2,195.01x = 6,645,949.11
  5. Step 5: Solve for x
    x = 6,645,949.11/2,195.01
  6. Step 6: Final answer
    x = 3,027.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.