Home / 3,422.22-5,136.58-1,779.96

Finding the Fourth Proportional to 3,422.22, 5,136.58 and 1,779.96

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Solution

The fourth proportional to 3,422.22, 5,136.58 and 1,779.96 is: 2,671.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.22 : 5,136.58 = 1,779.96 : x
  2. Step 2: Convert to fraction form
    3,422.22/5,136.58 = 1,779.96/x
  3. Step 3: Cross multiply
    3,422.22x = 5,136.58 × 1,779.96
  4. Step 4: Simplify right side
    3,422.22x = 9,142,906.94
  5. Step 5: Solve for x
    x = 9,142,906.94/3,422.22
  6. Step 6: Final answer
    x = 2,671.63

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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.