Home / 3,301.40-4,951.92-1,109.90

Finding the Fourth Proportional to 3,301.40, 4,951.92 and 1,109.90

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Solution

The fourth proportional to 3,301.40, 4,951.92 and 1,109.90 is: 1,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.40 : 4,951.92 = 1,109.90 : x
  2. Step 2: Convert to fraction form
    3,301.40/4,951.92 = 1,109.90/x
  3. Step 3: Cross multiply
    3,301.40x = 4,951.92 × 1,109.90
  4. Step 4: Simplify right side
    3,301.40x = 5,496,136.01
  5. Step 5: Solve for x
    x = 5,496,136.01/3,301.40
  6. Step 6: Final answer
    x = 1,664.79

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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.