Home / 3,427.26-5,136.75-1,575.83

Finding the Fourth Proportional to 3,427.26, 5,136.75 and 1,575.83

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Solution

The fourth proportional to 3,427.26, 5,136.75 and 1,575.83 is: 2,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.26 : 5,136.75 = 1,575.83 : x
  2. Step 2: Convert to fraction form
    3,427.26/5,136.75 = 1,575.83/x
  3. Step 3: Cross multiply
    3,427.26x = 5,136.75 × 1,575.83
  4. Step 4: Simplify right side
    3,427.26x = 8,094,657.59
  5. Step 5: Solve for x
    x = 8,094,657.59/3,427.26
  6. Step 6: Final answer
    x = 2,361.85

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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.