Home / 3,882.03-5,356.92-2,113.62

Finding the Fourth Proportional to 3,882.03, 5,356.92 and 2,113.62

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Solution

The fourth proportional to 3,882.03, 5,356.92 and 2,113.62 is: 2,916.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.03 : 5,356.92 = 2,113.62 : x
  2. Step 2: Convert to fraction form
    3,882.03/5,356.92 = 2,113.62/x
  3. Step 3: Cross multiply
    3,882.03x = 5,356.92 × 2,113.62
  4. Step 4: Simplify right side
    3,882.03x = 11,322,493.25
  5. Step 5: Solve for x
    x = 11,322,493.25/3,882.03
  6. Step 6: Final answer
    x = 2,916.64

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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.