Home / 2,321.11-3,480.79-933.97

Finding the Fourth Proportional to 2,321.11, 3,480.79 and 933.97

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Solution

The fourth proportional to 2,321.11, 3,480.79 and 933.97 is: 1,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.11 : 3,480.79 = 933.97 : x
  2. Step 2: Convert to fraction form
    2,321.11/3,480.79 = 933.97/x
  3. Step 3: Cross multiply
    2,321.11x = 3,480.79 × 933.97
  4. Step 4: Simplify right side
    2,321.11x = 3,250,948.77
  5. Step 5: Solve for x
    x = 3,250,948.77/2,321.11
  6. Step 6: Final answer
    x = 1,400.60

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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.