Home / 3,224.45-4,836.67-2,128.55

Finding the Fourth Proportional to 3,224.45, 4,836.67 and 2,128.55

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Solution

The fourth proportional to 3,224.45, 4,836.67 and 2,128.55 is: 3,192.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.45 : 4,836.67 = 2,128.55 : x
  2. Step 2: Convert to fraction form
    3,224.45/4,836.67 = 2,128.55/x
  3. Step 3: Cross multiply
    3,224.45x = 4,836.67 × 2,128.55
  4. Step 4: Simplify right side
    3,224.45x = 10,295,111.22
  5. Step 5: Solve for x
    x = 10,295,111.22/3,224.45
  6. Step 6: Final answer
    x = 3,192.83

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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.