Home / 3,286.52-4,924.20-1,985.25

Finding the Fourth Proportional to 3,286.52, 4,924.20 and 1,985.25

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Solution

The fourth proportional to 3,286.52, 4,924.20 and 1,985.25 is: 2,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.52 : 4,924.20 = 1,985.25 : x
  2. Step 2: Convert to fraction form
    3,286.52/4,924.20 = 1,985.25/x
  3. Step 3: Cross multiply
    3,286.52x = 4,924.20 × 1,985.25
  4. Step 4: Simplify right side
    3,286.52x = 9,775,768.05
  5. Step 5: Solve for x
    x = 9,775,768.05/3,286.52
  6. Step 6: Final answer
    x = 2,974.51

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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.