Home / 3,172.29-4,759.26-1,223.85

Finding the Fourth Proportional to 3,172.29, 4,759.26 and 1,223.85

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Solution

The fourth proportional to 3,172.29, 4,759.26 and 1,223.85 is: 1,836.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.29 : 4,759.26 = 1,223.85 : x
  2. Step 2: Convert to fraction form
    3,172.29/4,759.26 = 1,223.85/x
  3. Step 3: Cross multiply
    3,172.29x = 4,759.26 × 1,223.85
  4. Step 4: Simplify right side
    3,172.29x = 5,824,620.35
  5. Step 5: Solve for x
    x = 5,824,620.35/3,172.29
  6. Step 6: Final answer
    x = 1,836.09

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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.