Home / 3,996.05-5,511.60-2,649.22

Finding the Fourth Proportional to 3,996.05, 5,511.60 and 2,649.22

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Solution

The fourth proportional to 3,996.05, 5,511.60 and 2,649.22 is: 3,653.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.05 : 5,511.60 = 2,649.22 : x
  2. Step 2: Convert to fraction form
    3,996.05/5,511.60 = 2,649.22/x
  3. Step 3: Cross multiply
    3,996.05x = 5,511.60 × 2,649.22
  4. Step 4: Simplify right side
    3,996.05x = 14,601,440.95
  5. Step 5: Solve for x
    x = 14,601,440.95/3,996.05
  6. Step 6: Final answer
    x = 3,653.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.