Home / 2,212.03-3,315.73-1,379.10

Finding the Fourth Proportional to 2,212.03, 3,315.73 and 1,379.10

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Solution

The fourth proportional to 2,212.03, 3,315.73 and 1,379.10 is: 2,067.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.03 : 3,315.73 = 1,379.10 : x
  2. Step 2: Convert to fraction form
    2,212.03/3,315.73 = 1,379.10/x
  3. Step 3: Cross multiply
    2,212.03x = 3,315.73 × 1,379.10
  4. Step 4: Simplify right side
    2,212.03x = 4,572,723.24
  5. Step 5: Solve for x
    x = 4,572,723.24/2,212.03
  6. Step 6: Final answer
    x = 2,067.21

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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.