Home / 3,292.22-4,940.28-1,213.69

Finding the Fourth Proportional to 3,292.22, 4,940.28 and 1,213.69

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Solution

The fourth proportional to 3,292.22, 4,940.28 and 1,213.69 is: 1,821.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.22 : 4,940.28 = 1,213.69 : x
  2. Step 2: Convert to fraction form
    3,292.22/4,940.28 = 1,213.69/x
  3. Step 3: Cross multiply
    3,292.22x = 4,940.28 × 1,213.69
  4. Step 4: Simplify right side
    3,292.22x = 5,995,968.43
  5. Step 5: Solve for x
    x = 5,995,968.43/3,292.22
  6. Step 6: Final answer
    x = 1,821.25

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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.