Home / 3,311.79-4,968.23-1,002.75

Finding the Fourth Proportional to 3,311.79, 4,968.23 and 1,002.75

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Solution

The fourth proportional to 3,311.79, 4,968.23 and 1,002.75 is: 1,504.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.79 : 4,968.23 = 1,002.75 : x
  2. Step 2: Convert to fraction form
    3,311.79/4,968.23 = 1,002.75/x
  3. Step 3: Cross multiply
    3,311.79x = 4,968.23 × 1,002.75
  4. Step 4: Simplify right side
    3,311.79x = 4,981,887.62
  5. Step 5: Solve for x
    x = 4,981,887.62/3,311.79
  6. Step 6: Final answer
    x = 1,504.29

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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.