Home / 2,320.31-3,480.10-933.29

Finding the Fourth Proportional to 2,320.31, 3,480.10 and 933.29

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Solution

The fourth proportional to 2,320.31, 3,480.10 and 933.29 is: 1,399.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.31 : 3,480.10 = 933.29 : x
  2. Step 2: Convert to fraction form
    2,320.31/3,480.10 = 933.29/x
  3. Step 3: Cross multiply
    2,320.31x = 3,480.10 × 933.29
  4. Step 4: Simplify right side
    2,320.31x = 3,247,935.85
  5. Step 5: Solve for x
    x = 3,247,935.85/2,320.31
  6. Step 6: Final answer
    x = 1,399.78

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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.