Home / 3,456.57-4,771.82-2,040.68

Finding the Fourth Proportional to 3,456.57, 4,771.82 and 2,040.68

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Solution

The fourth proportional to 3,456.57, 4,771.82 and 2,040.68 is: 2,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.57 : 4,771.82 = 2,040.68 : x
  2. Step 2: Convert to fraction form
    3,456.57/4,771.82 = 2,040.68/x
  3. Step 3: Cross multiply
    3,456.57x = 4,771.82 × 2,040.68
  4. Step 4: Simplify right side
    3,456.57x = 9,737,759.36
  5. Step 5: Solve for x
    x = 9,737,759.36/3,456.57
  6. Step 6: Final answer
    x = 2,817.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.