Home / 2,231.15-3,346.91-671.04

Finding the Fourth Proportional to 2,231.15, 3,346.91 and 671.04

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Solution

The fourth proportional to 2,231.15, 3,346.91 and 671.04 is: 1,006.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.15 : 3,346.91 = 671.04 : x
  2. Step 2: Convert to fraction form
    2,231.15/3,346.91 = 671.04/x
  3. Step 3: Cross multiply
    2,231.15x = 3,346.91 × 671.04
  4. Step 4: Simplify right side
    2,231.15x = 2,245,909.65
  5. Step 5: Solve for x
    x = 2,245,909.65/2,231.15
  6. Step 6: Final answer
    x = 1,006.62

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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.