Home / 3,286.98-4,918.95-2,551.86

Finding the Fourth Proportional to 3,286.98, 4,918.95 and 2,551.86

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Solution

The fourth proportional to 3,286.98, 4,918.95 and 2,551.86 is: 3,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.98 : 4,918.95 = 2,551.86 : x
  2. Step 2: Convert to fraction form
    3,286.98/4,918.95 = 2,551.86/x
  3. Step 3: Cross multiply
    3,286.98x = 4,918.95 × 2,551.86
  4. Step 4: Simplify right side
    3,286.98x = 12,552,471.75
  5. Step 5: Solve for x
    x = 12,552,471.75/3,286.98
  6. Step 6: Final answer
    x = 3,818.85

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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.