Home / 2,212.58-3,052.10-1,383.14

Finding the Fourth Proportional to 2,212.58, 3,052.10 and 1,383.14

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Solution

The fourth proportional to 2,212.58, 3,052.10 and 1,383.14 is: 1,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.58 : 3,052.10 = 1,383.14 : x
  2. Step 2: Convert to fraction form
    2,212.58/3,052.10 = 1,383.14/x
  3. Step 3: Cross multiply
    2,212.58x = 3,052.10 × 1,383.14
  4. Step 4: Simplify right side
    2,212.58x = 4,221,474.68
  5. Step 5: Solve for x
    x = 4,221,474.68/2,212.58
  6. Step 6: Final answer
    x = 1,907.94

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1.5x scale

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.