Home / 3,884.52-5,360.74-2,116.22

Finding the Fourth Proportional to 3,884.52, 5,360.74 and 2,116.22

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Solution

The fourth proportional to 3,884.52, 5,360.74 and 2,116.22 is: 2,920.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.52 : 5,360.74 = 2,116.22 : x
  2. Step 2: Convert to fraction form
    3,884.52/5,360.74 = 2,116.22/x
  3. Step 3: Cross multiply
    3,884.52x = 5,360.74 × 2,116.22
  4. Step 4: Simplify right side
    3,884.52x = 11,344,505.20
  5. Step 5: Solve for x
    x = 11,344,505.20/3,884.52
  6. Step 6: Final answer
    x = 2,920.44

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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.