Home / 2,212.25-3,318.44-1,237.59

Finding the Fourth Proportional to 2,212.25, 3,318.44 and 1,237.59

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Solution

The fourth proportional to 2,212.25, 3,318.44 and 1,237.59 is: 1,856.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.25 : 3,318.44 = 1,237.59 : x
  2. Step 2: Convert to fraction form
    2,212.25/3,318.44 = 1,237.59/x
  3. Step 3: Cross multiply
    2,212.25x = 3,318.44 × 1,237.59
  4. Step 4: Simplify right side
    2,212.25x = 4,106,861.97
  5. Step 5: Solve for x
    x = 4,106,861.97/2,212.25
  6. Step 6: Final answer
    x = 1,856.42

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1.5x scale

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.