Home / 2,212.06-3,318.90-1,474.66

Finding the Fourth Proportional to 2,212.06, 3,318.90 and 1,474.66

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Solution

The fourth proportional to 2,212.06, 3,318.90 and 1,474.66 is: 2,212.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.06 : 3,318.90 = 1,474.66 : x
  2. Step 2: Convert to fraction form
    2,212.06/3,318.90 = 1,474.66/x
  3. Step 3: Cross multiply
    2,212.06x = 3,318.90 × 1,474.66
  4. Step 4: Simplify right side
    2,212.06x = 4,894,249.07
  5. Step 5: Solve for x
    x = 4,894,249.07/2,212.06
  6. Step 6: Final answer
    x = 2,212.53

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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.