Home / 3,222.12-4,833.21-1,274.33

Finding the Fourth Proportional to 3,222.12, 4,833.21 and 1,274.33

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Solution

The fourth proportional to 3,222.12, 4,833.21 and 1,274.33 is: 1,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.12 : 4,833.21 = 1,274.33 : x
  2. Step 2: Convert to fraction form
    3,222.12/4,833.21 = 1,274.33/x
  3. Step 3: Cross multiply
    3,222.12x = 4,833.21 × 1,274.33
  4. Step 4: Simplify right side
    3,222.12x = 6,159,089.88
  5. Step 5: Solve for x
    x = 6,159,089.88/3,222.12
  6. Step 6: Final answer
    x = 1,911.50

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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.