Home / 2,253.20-3,379.77-609.90

Finding the Fourth Proportional to 2,253.20, 3,379.77 and 609.90

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Solution

The fourth proportional to 2,253.20, 3,379.77 and 609.90 is: 914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.20 : 3,379.77 = 609.90 : x
  2. Step 2: Convert to fraction form
    2,253.20/3,379.77 = 609.90/x
  3. Step 3: Cross multiply
    2,253.20x = 3,379.77 × 609.90
  4. Step 4: Simplify right side
    2,253.20x = 2,061,321.72
  5. Step 5: Solve for x
    x = 2,061,321.72/2,253.20
  6. Step 6: Final answer
    x = 914.84

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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.