Home / 3,286.09-4,930.35-1,553.50

Finding the Fourth Proportional to 3,286.09, 4,930.35 and 1,553.50

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Solution

The fourth proportional to 3,286.09, 4,930.35 and 1,553.50 is: 2,330.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.09 : 4,930.35 = 1,553.50 : x
  2. Step 2: Convert to fraction form
    3,286.09/4,930.35 = 1,553.50/x
  3. Step 3: Cross multiply
    3,286.09x = 4,930.35 × 1,553.50
  4. Step 4: Simplify right side
    3,286.09x = 7,659,298.73
  5. Step 5: Solve for x
    x = 7,659,298.73/3,286.09
  6. Step 6: Final answer
    x = 2,330.82

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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.