Home / 3,485.97-5,222.85-2,904.69

Finding the Fourth Proportional to 3,485.97, 5,222.85 and 2,904.69

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Solution

The fourth proportional to 3,485.97, 5,222.85 and 2,904.69 is: 4,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.97 : 5,222.85 = 2,904.69 : x
  2. Step 2: Convert to fraction form
    3,485.97/5,222.85 = 2,904.69/x
  3. Step 3: Cross multiply
    3,485.97x = 5,222.85 × 2,904.69
  4. Step 4: Simplify right side
    3,485.97x = 15,170,760.17
  5. Step 5: Solve for x
    x = 15,170,760.17/3,485.97
  6. Step 6: Final answer
    x = 4,351.95

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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.