Home / 3,723.12-5,580.40-2,080.44

Finding the Fourth Proportional to 3,723.12, 5,580.40 and 2,080.44

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Solution

The fourth proportional to 3,723.12, 5,580.40 and 2,080.44 is: 3,118.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.12 : 5,580.40 = 2,080.44 : x
  2. Step 2: Convert to fraction form
    3,723.12/5,580.40 = 2,080.44/x
  3. Step 3: Cross multiply
    3,723.12x = 5,580.40 × 2,080.44
  4. Step 4: Simplify right side
    3,723.12x = 11,609,687.38
  5. Step 5: Solve for x
    x = 11,609,687.38/3,723.12
  6. Step 6: Final answer
    x = 3,118.27

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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.