Home / 2,392.23-3,588.55-660.85

Finding the Fourth Proportional to 2,392.23, 3,588.55 and 660.85

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Solution

The fourth proportional to 2,392.23, 3,588.55 and 660.85 is: 991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.23 : 3,588.55 = 660.85 : x
  2. Step 2: Convert to fraction form
    2,392.23/3,588.55 = 660.85/x
  3. Step 3: Cross multiply
    2,392.23x = 3,588.55 × 660.85
  4. Step 4: Simplify right side
    2,392.23x = 2,371,493.27
  5. Step 5: Solve for x
    x = 2,371,493.27/2,392.23
  6. Step 6: Final answer
    x = 991.33

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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.