Home / 3,231.58-4,845.38-1,381.66

Finding the Fourth Proportional to 3,231.58, 4,845.38 and 1,381.66

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Solution

The fourth proportional to 3,231.58, 4,845.38 and 1,381.66 is: 2,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.58 : 4,845.38 = 1,381.66 : x
  2. Step 2: Convert to fraction form
    3,231.58/4,845.38 = 1,381.66/x
  3. Step 3: Cross multiply
    3,231.58x = 4,845.38 × 1,381.66
  4. Step 4: Simplify right side
    3,231.58x = 6,694,667.73
  5. Step 5: Solve for x
    x = 6,694,667.73/3,231.58
  6. Step 6: Final answer
    x = 2,071.64

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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.