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Finding the Fourth Proportional to 3,317.89, 4,976.85 and 1,469.89

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Solution

The fourth proportional to 3,317.89, 4,976.85 and 1,469.89 is: 2,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.89 : 4,976.85 = 1,469.89 : x
  2. Step 2: Convert to fraction form
    3,317.89/4,976.85 = 1,469.89/x
  3. Step 3: Cross multiply
    3,317.89x = 4,976.85 × 1,469.89
  4. Step 4: Simplify right side
    3,317.89x = 7,315,422.05
  5. Step 5: Solve for x
    x = 7,315,422.05/3,317.89
  6. Step 6: Final answer
    x = 2,204.84

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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.