Home / 3,286.35-4,930.34-1,207.49

Finding the Fourth Proportional to 3,286.35, 4,930.34 and 1,207.49

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Solution

The fourth proportional to 3,286.35, 4,930.34 and 1,207.49 is: 1,811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.35 : 4,930.34 = 1,207.49 : x
  2. Step 2: Convert to fraction form
    3,286.35/4,930.34 = 1,207.49/x
  3. Step 3: Cross multiply
    3,286.35x = 4,930.34 × 1,207.49
  4. Step 4: Simplify right side
    3,286.35x = 5,953,305.56
  5. Step 5: Solve for x
    x = 5,953,305.56/3,286.35
  6. Step 6: Final answer
    x = 1,811.53

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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.