Home / 1,611.23-2,234.86-1,568.55

Finding the Fourth Proportional to 1,611.23, 2,234.86 and 1,568.55

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Solution

The fourth proportional to 1,611.23, 2,234.86 and 1,568.55 is: 2,175.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.23 : 2,234.86 = 1,568.55 : x
  2. Step 2: Convert to fraction form
    1,611.23/2,234.86 = 1,568.55/x
  3. Step 3: Cross multiply
    1,611.23x = 2,234.86 × 1,568.55
  4. Step 4: Simplify right side
    1,611.23x = 3,505,489.65
  5. Step 5: Solve for x
    x = 3,505,489.65/1,611.23
  6. Step 6: Final answer
    x = 2,175.66

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.