Home / 3,418.56-5,133.60-2,773.44

Finding the Fourth Proportional to 3,418.56, 5,133.60 and 2,773.44

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Solution

The fourth proportional to 3,418.56, 5,133.60 and 2,773.44 is: 4,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.56 : 5,133.60 = 2,773.44 : x
  2. Step 2: Convert to fraction form
    3,418.56/5,133.60 = 2,773.44/x
  3. Step 3: Cross multiply
    3,418.56x = 5,133.60 × 2,773.44
  4. Step 4: Simplify right side
    3,418.56x = 14,237,731.58
  5. Step 5: Solve for x
    x = 14,237,731.58/3,418.56
  6. Step 6: Final answer
    x = 4,164.83

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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.