Home / 3,074.15-4,611.22-1,125.29

Finding the Fourth Proportional to 3,074.15, 4,611.22 and 1,125.29

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Solution

The fourth proportional to 3,074.15, 4,611.22 and 1,125.29 is: 1,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.15 : 4,611.22 = 1,125.29 : x
  2. Step 2: Convert to fraction form
    3,074.15/4,611.22 = 1,125.29/x
  3. Step 3: Cross multiply
    3,074.15x = 4,611.22 × 1,125.29
  4. Step 4: Simplify right side
    3,074.15x = 5,188,968.47
  5. Step 5: Solve for x
    x = 5,188,968.47/3,074.15
  6. Step 6: Final answer
    x = 1,687.93

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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.