Home / 3,934.50-5,436.60-2,930.22

Finding the Fourth Proportional to 3,934.50, 5,436.60 and 2,930.22

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Solution

The fourth proportional to 3,934.50, 5,436.60 and 2,930.22 is: 4,048.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.50 : 5,436.60 = 2,930.22 : x
  2. Step 2: Convert to fraction form
    3,934.50/5,436.60 = 2,930.22/x
  3. Step 3: Cross multiply
    3,934.50x = 5,436.60 × 2,930.22
  4. Step 4: Simplify right side
    3,934.50x = 15,930,434.05
  5. Step 5: Solve for x
    x = 15,930,434.05/3,934.50
  6. Step 6: Final answer
    x = 4,048.91

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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.