Home / 3,322.58-4,979.97-2,135.09

Finding the Fourth Proportional to 3,322.58, 4,979.97 and 2,135.09

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Solution

The fourth proportional to 3,322.58, 4,979.97 and 2,135.09 is: 3,200.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.58 : 4,979.97 = 2,135.09 : x
  2. Step 2: Convert to fraction form
    3,322.58/4,979.97 = 2,135.09/x
  3. Step 3: Cross multiply
    3,322.58x = 4,979.97 × 2,135.09
  4. Step 4: Simplify right side
    3,322.58x = 10,632,696.60
  5. Step 5: Solve for x
    x = 10,632,696.60/3,322.58
  6. Step 6: Final answer
    x = 3,200.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.