Home / 3,540.92-4,889.58-2,216.88

Finding the Fourth Proportional to 3,540.92, 4,889.58 and 2,216.88

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Solution

The fourth proportional to 3,540.92, 4,889.58 and 2,216.88 is: 3,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.92 : 4,889.58 = 2,216.88 : x
  2. Step 2: Convert to fraction form
    3,540.92/4,889.58 = 2,216.88/x
  3. Step 3: Cross multiply
    3,540.92x = 4,889.58 × 2,216.88
  4. Step 4: Simplify right side
    3,540.92x = 10,839,612.11
  5. Step 5: Solve for x
    x = 10,839,612.11/3,540.92
  6. Step 6: Final answer
    x = 3,061.24

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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.