Home / 2,236.21-3,086.06-1,351.84

Finding the Fourth Proportional to 2,236.21, 3,086.06 and 1,351.84

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Solution

The fourth proportional to 2,236.21, 3,086.06 and 1,351.84 is: 1,865.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.21 : 3,086.06 = 1,351.84 : x
  2. Step 2: Convert to fraction form
    2,236.21/3,086.06 = 1,351.84/x
  3. Step 3: Cross multiply
    2,236.21x = 3,086.06 × 1,351.84
  4. Step 4: Simplify right side
    2,236.21x = 4,171,859.35
  5. Step 5: Solve for x
    x = 4,171,859.35/2,236.21
  6. Step 6: Final answer
    x = 1,865.59

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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.