Home / 3,388.20-5,081.47-923.03

Finding the Fourth Proportional to 3,388.20, 5,081.47 and 923.03

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Solution

The fourth proportional to 3,388.20, 5,081.47 and 923.03 is: 1,384.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.20 : 5,081.47 = 923.03 : x
  2. Step 2: Convert to fraction form
    3,388.20/5,081.47 = 923.03/x
  3. Step 3: Cross multiply
    3,388.20x = 5,081.47 × 923.03
  4. Step 4: Simplify right side
    3,388.20x = 4,690,340.59
  5. Step 5: Solve for x
    x = 4,690,340.59/3,388.20
  6. Step 6: Final answer
    x = 1,384.32

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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.