Home / 2,961.09-4,447.80-2,499.75

Finding the Fourth Proportional to 2,961.09, 4,447.80 and 2,499.75

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Solution

The fourth proportional to 2,961.09, 4,447.80 and 2,499.75 is: 3,754.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.09 : 4,447.80 = 2,499.75 : x
  2. Step 2: Convert to fraction form
    2,961.09/4,447.80 = 2,499.75/x
  3. Step 3: Cross multiply
    2,961.09x = 4,447.80 × 2,499.75
  4. Step 4: Simplify right side
    2,961.09x = 11,118,388.05
  5. Step 5: Solve for x
    x = 11,118,388.05/2,961.09
  6. Step 6: Final answer
    x = 3,754.83

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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.