Home / 3,179.90-4,768.05-1,305.27

Finding the Fourth Proportional to 3,179.90, 4,768.05 and 1,305.27

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Solution

The fourth proportional to 3,179.90, 4,768.05 and 1,305.27 is: 1,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.90 : 4,768.05 = 1,305.27 : x
  2. Step 2: Convert to fraction form
    3,179.90/4,768.05 = 1,305.27/x
  3. Step 3: Cross multiply
    3,179.90x = 4,768.05 × 1,305.27
  4. Step 4: Simplify right side
    3,179.90x = 6,223,592.62
  5. Step 5: Solve for x
    x = 6,223,592.62/3,179.90
  6. Step 6: Final answer
    x = 1,957.17

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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.