Home / 2,157.27-3,233.20-923.23

Finding the Fourth Proportional to 2,157.27, 3,233.20 and 923.23

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Solution

The fourth proportional to 2,157.27, 3,233.20 and 923.23 is: 1,383.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157.27 : 3,233.20 = 923.23 : x
  2. Step 2: Convert to fraction form
    2,157.27/3,233.20 = 923.23/x
  3. Step 3: Cross multiply
    2,157.27x = 3,233.20 × 923.23
  4. Step 4: Simplify right side
    2,157.27x = 2,984,982.62
  5. Step 5: Solve for x
    x = 2,984,982.62/2,157.27
  6. Step 6: Final answer
    x = 1,383.69

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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.