Home / 3,450.24-5,179.68-2,684.16

Finding the Fourth Proportional to 3,450.24, 5,179.68 and 2,684.16

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Solution

The fourth proportional to 3,450.24, 5,179.68 and 2,684.16 is: 4,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.24 : 5,179.68 = 2,684.16 : x
  2. Step 2: Convert to fraction form
    3,450.24/5,179.68 = 2,684.16/x
  3. Step 3: Cross multiply
    3,450.24x = 5,179.68 × 2,684.16
  4. Step 4: Simplify right side
    3,450.24x = 13,903,089.87
  5. Step 5: Solve for x
    x = 13,903,089.87/3,450.24
  6. Step 6: Final answer
    x = 4,029.60

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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.