Home / 3,072.30-4,611.15-2,456.70

Finding the Fourth Proportional to 3,072.30, 4,611.15 and 2,456.70

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Solution

The fourth proportional to 3,072.30, 4,611.15 and 2,456.70 is: 3,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.30 : 4,611.15 = 2,456.70 : x
  2. Step 2: Convert to fraction form
    3,072.30/4,611.15 = 2,456.70/x
  3. Step 3: Cross multiply
    3,072.30x = 4,611.15 × 2,456.70
  4. Step 4: Simplify right side
    3,072.30x = 11,328,212.21
  5. Step 5: Solve for x
    x = 11,328,212.21/3,072.30
  6. Step 6: Final answer
    x = 3,687.21

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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.