Home / 3,286.74-4,932.66-2,455.89

Finding the Fourth Proportional to 3,286.74, 4,932.66 and 2,455.89

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Solution

The fourth proportional to 3,286.74, 4,932.66 and 2,455.89 is: 3,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.74 : 4,932.66 = 2,455.89 : x
  2. Step 2: Convert to fraction form
    3,286.74/4,932.66 = 2,455.89/x
  3. Step 3: Cross multiply
    3,286.74x = 4,932.66 × 2,455.89
  4. Step 4: Simplify right side
    3,286.74x = 12,114,070.37
  5. Step 5: Solve for x
    x = 12,114,070.37/3,286.74
  6. Step 6: Final answer
    x = 3,685.74

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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.