Home / 2,262.36-3,391.14-1,286.37

Finding the Fourth Proportional to 2,262.36, 3,391.14 and 1,286.37

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Solution

The fourth proportional to 2,262.36, 3,391.14 and 1,286.37 is: 1,928.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.36 : 3,391.14 = 1,286.37 : x
  2. Step 2: Convert to fraction form
    2,262.36/3,391.14 = 1,286.37/x
  3. Step 3: Cross multiply
    2,262.36x = 3,391.14 × 1,286.37
  4. Step 4: Simplify right side
    2,262.36x = 4,362,260.76
  5. Step 5: Solve for x
    x = 4,362,260.76/2,262.36
  6. Step 6: Final answer
    x = 1,928.19

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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.