Home / 3,849.32-5,778.84-2,207.36

Finding the Fourth Proportional to 3,849.32, 5,778.84 and 2,207.36

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Solution

The fourth proportional to 3,849.32, 5,778.84 and 2,207.36 is: 3,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.32 : 5,778.84 = 2,207.36 : x
  2. Step 2: Convert to fraction form
    3,849.32/5,778.84 = 2,207.36/x
  3. Step 3: Cross multiply
    3,849.32x = 5,778.84 × 2,207.36
  4. Step 4: Simplify right side
    3,849.32x = 12,755,980.26
  5. Step 5: Solve for x
    x = 12,755,980.26/3,849.32
  6. Step 6: Final answer
    x = 3,313.83

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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.