Home / 2,930.50-4,039.17-2,222.12

Finding the Fourth Proportional to 2,930.50, 4,039.17 and 2,222.12

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Solution

The fourth proportional to 2,930.50, 4,039.17 and 2,222.12 is: 3,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.50 : 4,039.17 = 2,222.12 : x
  2. Step 2: Convert to fraction form
    2,930.50/4,039.17 = 2,222.12/x
  3. Step 3: Cross multiply
    2,930.50x = 4,039.17 × 2,222.12
  4. Step 4: Simplify right side
    2,930.50x = 8,975,520.44
  5. Step 5: Solve for x
    x = 8,975,520.44/2,930.50
  6. Step 6: Final answer
    x = 3,062.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.