Home / 3,223.59-4,830.39-2,179.91

Finding the Fourth Proportional to 3,223.59, 4,830.39 and 2,179.91

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Solution

The fourth proportional to 3,223.59, 4,830.39 and 2,179.91 is: 3,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.59 : 4,830.39 = 2,179.91 : x
  2. Step 2: Convert to fraction form
    3,223.59/4,830.39 = 2,179.91/x
  3. Step 3: Cross multiply
    3,223.59x = 4,830.39 × 2,179.91
  4. Step 4: Simplify right side
    3,223.59x = 10,529,791.31
  5. Step 5: Solve for x
    x = 10,529,791.31/3,223.59
  6. Step 6: Final answer
    x = 3,266.48

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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.