Home / 2,940.39-4,403.62-2,553.57

Finding the Fourth Proportional to 2,940.39, 4,403.62 and 2,553.57

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Solution

The fourth proportional to 2,940.39, 4,403.62 and 2,553.57 is: 3,824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.39 : 4,403.62 = 2,553.57 : x
  2. Step 2: Convert to fraction form
    2,940.39/4,403.62 = 2,553.57/x
  3. Step 3: Cross multiply
    2,940.39x = 4,403.62 × 2,553.57
  4. Step 4: Simplify right side
    2,940.39x = 11,244,951.92
  5. Step 5: Solve for x
    x = 11,244,951.92/2,940.39
  6. Step 6: Final answer
    x = 3,824.31

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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.