Home / 3,892.93-5,371.98-2,214.22

Finding the Fourth Proportional to 3,892.93, 5,371.98 and 2,214.22

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Solution

The fourth proportional to 3,892.93, 5,371.98 and 2,214.22 is: 3,055.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.93 : 5,371.98 = 2,214.22 : x
  2. Step 2: Convert to fraction form
    3,892.93/5,371.98 = 2,214.22/x
  3. Step 3: Cross multiply
    3,892.93x = 5,371.98 × 2,214.22
  4. Step 4: Simplify right side
    3,892.93x = 11,894,745.56
  5. Step 5: Solve for x
    x = 11,894,745.56/3,892.93
  6. Step 6: Final answer
    x = 3,055.47

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1.5x scale

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.