Home / 3,788.17-5,227.74-2,086.66

Finding the Fourth Proportional to 3,788.17, 5,227.74 and 2,086.66

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Solution

The fourth proportional to 3,788.17, 5,227.74 and 2,086.66 is: 2,879.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.17 : 5,227.74 = 2,086.66 : x
  2. Step 2: Convert to fraction form
    3,788.17/5,227.74 = 2,086.66/x
  3. Step 3: Cross multiply
    3,788.17x = 5,227.74 × 2,086.66
  4. Step 4: Simplify right side
    3,788.17x = 10,908,522.48
  5. Step 5: Solve for x
    x = 10,908,522.48/3,788.17
  6. Step 6: Final answer
    x = 2,879.63

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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.