Home / 2,769.23-4,147.98-2,239.86

Finding the Fourth Proportional to 2,769.23, 4,147.98 and 2,239.86

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Solution

The fourth proportional to 2,769.23, 4,147.98 and 2,239.86 is: 3,355.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.23 : 4,147.98 = 2,239.86 : x
  2. Step 2: Convert to fraction form
    2,769.23/4,147.98 = 2,239.86/x
  3. Step 3: Cross multiply
    2,769.23x = 4,147.98 × 2,239.86
  4. Step 4: Simplify right side
    2,769.23x = 9,290,894.48
  5. Step 5: Solve for x
    x = 9,290,894.48/2,769.23
  6. Step 6: Final answer
    x = 3,355.05

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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.