Home / 2,979.83-4,469.74-1,223.61

Finding the Fourth Proportional to 2,979.83, 4,469.74 and 1,223.61

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Solution

The fourth proportional to 2,979.83, 4,469.74 and 1,223.61 is: 1,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.83 : 4,469.74 = 1,223.61 : x
  2. Step 2: Convert to fraction form
    2,979.83/4,469.74 = 1,223.61/x
  3. Step 3: Cross multiply
    2,979.83x = 4,469.74 × 1,223.61
  4. Step 4: Simplify right side
    2,979.83x = 5,469,196.21
  5. Step 5: Solve for x
    x = 5,469,196.21/2,979.83
  6. Step 6: Final answer
    x = 1,835.41

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Similar ratio
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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.