Home / 3,455.09-5,179.06-1,604.69

Finding the Fourth Proportional to 3,455.09, 5,179.06 and 1,604.69

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Solution

The fourth proportional to 3,455.09, 5,179.06 and 1,604.69 is: 2,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.09 : 5,179.06 = 1,604.69 : x
  2. Step 2: Convert to fraction form
    3,455.09/5,179.06 = 1,604.69/x
  3. Step 3: Cross multiply
    3,455.09x = 5,179.06 × 1,604.69
  4. Step 4: Simplify right side
    3,455.09x = 8,310,794.73
  5. Step 5: Solve for x
    x = 8,310,794.73/3,455.09
  6. Step 6: Final answer
    x = 2,405.38

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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.