Home / 2,876.22-3,969.18-1,617.26

Finding the Fourth Proportional to 2,876.22, 3,969.18 and 1,617.26

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Solution

The fourth proportional to 2,876.22, 3,969.18 and 1,617.26 is: 2,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.22 : 3,969.18 = 1,617.26 : x
  2. Step 2: Convert to fraction form
    2,876.22/3,969.18 = 1,617.26/x
  3. Step 3: Cross multiply
    2,876.22x = 3,969.18 × 1,617.26
  4. Step 4: Simplify right side
    2,876.22x = 6,419,196.05
  5. Step 5: Solve for x
    x = 6,419,196.05/2,876.22
  6. Step 6: Final answer
    x = 2,231.82

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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.