Home / 3,451.53-5,169.99-2,790.57

Finding the Fourth Proportional to 3,451.53, 5,169.99 and 2,790.57

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Solution

The fourth proportional to 3,451.53, 5,169.99 and 2,790.57 is: 4,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.53 : 5,169.99 = 2,790.57 : x
  2. Step 2: Convert to fraction form
    3,451.53/5,169.99 = 2,790.57/x
  3. Step 3: Cross multiply
    3,451.53x = 5,169.99 × 2,790.57
  4. Step 4: Simplify right side
    3,451.53x = 14,427,218.99
  5. Step 5: Solve for x
    x = 14,427,218.99/3,451.53
  6. Step 6: Final answer
    x = 4,179.95

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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.