Home / 3,884.75-5,360.94-2,116.35

Finding the Fourth Proportional to 3,884.75, 5,360.94 and 2,116.35

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Solution

The fourth proportional to 3,884.75, 5,360.94 and 2,116.35 is: 2,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.75 : 5,360.94 = 2,116.35 : x
  2. Step 2: Convert to fraction form
    3,884.75/5,360.94 = 2,116.35/x
  3. Step 3: Cross multiply
    3,884.75x = 5,360.94 × 2,116.35
  4. Step 4: Simplify right side
    3,884.75x = 11,345,605.27
  5. Step 5: Solve for x
    x = 11,345,605.27/3,884.75
  6. Step 6: Final answer
    x = 2,920.55

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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.