Home / 3,072.76-4,605.42-2,205.28

Finding the Fourth Proportional to 3,072.76, 4,605.42 and 2,205.28

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Solution

The fourth proportional to 3,072.76, 4,605.42 and 2,205.28 is: 3,305.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.76 : 4,605.42 = 2,205.28 : x
  2. Step 2: Convert to fraction form
    3,072.76/4,605.42 = 2,205.28/x
  3. Step 3: Cross multiply
    3,072.76x = 4,605.42 × 2,205.28
  4. Step 4: Simplify right side
    3,072.76x = 10,156,240.62
  5. Step 5: Solve for x
    x = 10,156,240.62/3,072.76
  6. Step 6: Final answer
    x = 3,305.25

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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.