Home / 2,156.25-3,232.45-923.03

Finding the Fourth Proportional to 2,156.25, 3,232.45 and 923.03

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Solution

The fourth proportional to 2,156.25, 3,232.45 and 923.03 is: 1,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156.25 : 3,232.45 = 923.03 : x
  2. Step 2: Convert to fraction form
    2,156.25/3,232.45 = 923.03/x
  3. Step 3: Cross multiply
    2,156.25x = 3,232.45 × 923.03
  4. Step 4: Simplify right side
    2,156.25x = 2,983,629.85
  5. Step 5: Solve for x
    x = 2,983,629.85/2,156.25
  6. Step 6: Final answer
    x = 1,383.71

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1.5x scale

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.