Home / 4,205.64-6,299.94-2,122.74

Finding the Fourth Proportional to 4,205.64, 6,299.94 and 2,122.74

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Solution

The fourth proportional to 4,205.64, 6,299.94 and 2,122.74 is: 3,179.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.64 : 6,299.94 = 2,122.74 : x
  2. Step 2: Convert to fraction form
    4,205.64/6,299.94 = 2,122.74/x
  3. Step 3: Cross multiply
    4,205.64x = 6,299.94 × 2,122.74
  4. Step 4: Simplify right side
    4,205.64x = 13,373,134.64
  5. Step 5: Solve for x
    x = 13,373,134.64/4,205.64
  6. Step 6: Final answer
    x = 3,179.81

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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.