Home / 3,454.45-5,175.60-2,834.80

Finding the Fourth Proportional to 3,454.45, 5,175.60 and 2,834.80

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Solution

The fourth proportional to 3,454.45, 5,175.60 and 2,834.80 is: 4,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.45 : 5,175.60 = 2,834.80 : x
  2. Step 2: Convert to fraction form
    3,454.45/5,175.60 = 2,834.80/x
  3. Step 3: Cross multiply
    3,454.45x = 5,175.60 × 2,834.80
  4. Step 4: Simplify right side
    3,454.45x = 14,671,790.88
  5. Step 5: Solve for x
    x = 14,671,790.88/3,454.45
  6. Step 6: Final answer
    x = 4,247.21

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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.