Home / 2,212.94-3,054.14-1,268.89

Finding the Fourth Proportional to 2,212.94, 3,054.14 and 1,268.89

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Solution

The fourth proportional to 2,212.94, 3,054.14 and 1,268.89 is: 1,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.94 : 3,054.14 = 1,268.89 : x
  2. Step 2: Convert to fraction form
    2,212.94/3,054.14 = 1,268.89/x
  3. Step 3: Cross multiply
    2,212.94x = 3,054.14 × 1,268.89
  4. Step 4: Simplify right side
    2,212.94x = 3,875,346.09
  5. Step 5: Solve for x
    x = 3,875,346.09/2,212.94
  6. Step 6: Final answer
    x = 1,751.22

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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.