Home / 3,318.66-4,985.22-3,207.94

Finding the Fourth Proportional to 3,318.66, 4,985.22 and 3,207.94

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Solution

The fourth proportional to 3,318.66, 4,985.22 and 3,207.94 is: 4,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.66 : 4,985.22 = 3,207.94 : x
  2. Step 2: Convert to fraction form
    3,318.66/4,985.22 = 3,207.94/x
  3. Step 3: Cross multiply
    3,318.66x = 4,985.22 × 3,207.94
  4. Step 4: Simplify right side
    3,318.66x = 15,992,286.65
  5. Step 5: Solve for x
    x = 15,992,286.65/3,318.66
  6. Step 6: Final answer
    x = 4,818.90

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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.