Home / 2,155.19-3,232.04-922.37

Finding the Fourth Proportional to 2,155.19, 3,232.04 and 922.37

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Solution

The fourth proportional to 2,155.19, 3,232.04 and 922.37 is: 1,383.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155.19 : 3,232.04 = 922.37 : x
  2. Step 2: Convert to fraction form
    2,155.19/3,232.04 = 922.37/x
  3. Step 3: Cross multiply
    2,155.19x = 3,232.04 × 922.37
  4. Step 4: Simplify right side
    2,155.19x = 2,981,115.96
  5. Step 5: Solve for x
    x = 2,981,115.96/2,155.19
  6. Step 6: Final answer
    x = 1,383.23

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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.