Home / 3,578.91-4,940.61-2,253.33

Finding the Fourth Proportional to 3,578.91, 4,940.61 and 2,253.33

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Solution

The fourth proportional to 3,578.91, 4,940.61 and 2,253.33 is: 3,110.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.91 : 4,940.61 = 2,253.33 : x
  2. Step 2: Convert to fraction form
    3,578.91/4,940.61 = 2,253.33/x
  3. Step 3: Cross multiply
    3,578.91x = 4,940.61 × 2,253.33
  4. Step 4: Simplify right side
    3,578.91x = 11,132,824.73
  5. Step 5: Solve for x
    x = 11,132,824.73/3,578.91
  6. Step 6: Final answer
    x = 3,110.67

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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.