Home / 2,320.28-3,480.32-933.20

Finding the Fourth Proportional to 2,320.28, 3,480.32 and 933.20

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Solution

The fourth proportional to 2,320.28, 3,480.32 and 933.20 is: 1,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.28 : 3,480.32 = 933.20 : x
  2. Step 2: Convert to fraction form
    2,320.28/3,480.32 = 933.20/x
  3. Step 3: Cross multiply
    2,320.28x = 3,480.32 × 933.20
  4. Step 4: Simplify right side
    2,320.28x = 3,247,834.62
  5. Step 5: Solve for x
    x = 3,247,834.62/2,320.28
  6. Step 6: Final answer
    x = 1,399.76

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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.