Home / 2,212.19-3,052.79-1,203.87

Finding the Fourth Proportional to 2,212.19, 3,052.79 and 1,203.87

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Solution

The fourth proportional to 2,212.19, 3,052.79 and 1,203.87 is: 1,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.19 : 3,052.79 = 1,203.87 : x
  2. Step 2: Convert to fraction form
    2,212.19/3,052.79 = 1,203.87/x
  3. Step 3: Cross multiply
    2,212.19x = 3,052.79 × 1,203.87
  4. Step 4: Simplify right side
    2,212.19x = 3,675,156.28
  5. Step 5: Solve for x
    x = 3,675,156.28/2,212.19
  6. Step 6: Final answer
    x = 1,661.32

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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.