Home / 3,612.54-4,986.60-2,196.27

Finding the Fourth Proportional to 3,612.54, 4,986.60 and 2,196.27

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Solution

The fourth proportional to 3,612.54, 4,986.60 and 2,196.27 is: 3,031.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.54 : 4,986.60 = 2,196.27 : x
  2. Step 2: Convert to fraction form
    3,612.54/4,986.60 = 2,196.27/x
  3. Step 3: Cross multiply
    3,612.54x = 4,986.60 × 2,196.27
  4. Step 4: Simplify right side
    3,612.54x = 10,951,919.98
  5. Step 5: Solve for x
    x = 10,951,919.98/3,612.54
  6. Step 6: Final answer
    x = 3,031.64

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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.