Home / 4,080.82-5,631.60-2,217.82

Finding the Fourth Proportional to 4,080.82, 5,631.60 and 2,217.82

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Solution

The fourth proportional to 4,080.82, 5,631.60 and 2,217.82 is: 3,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.82 : 5,631.60 = 2,217.82 : x
  2. Step 2: Convert to fraction form
    4,080.82/5,631.60 = 2,217.82/x
  3. Step 3: Cross multiply
    4,080.82x = 5,631.60 × 2,217.82
  4. Step 4: Simplify right side
    4,080.82x = 12,489,875.11
  5. Step 5: Solve for x
    x = 12,489,875.11/4,080.82
  6. Step 6: Final answer
    x = 3,060.63

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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.