Home / 3,450.70-5,163.90-2,405.80

Finding the Fourth Proportional to 3,450.70, 5,163.90 and 2,405.80

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Solution

The fourth proportional to 3,450.70, 5,163.90 and 2,405.80 is: 3,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.70 : 5,163.90 = 2,405.80 : x
  2. Step 2: Convert to fraction form
    3,450.70/5,163.90 = 2,405.80/x
  3. Step 3: Cross multiply
    3,450.70x = 5,163.90 × 2,405.80
  4. Step 4: Simplify right side
    3,450.70x = 12,423,310.62
  5. Step 5: Solve for x
    x = 12,423,310.62/3,450.70
  6. Step 6: Final answer
    x = 3,600.23

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1.5x scale

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.