Home / 3,581.55-4,940.73-2,321.06

Finding the Fourth Proportional to 3,581.55, 4,940.73 and 2,321.06

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Solution

The fourth proportional to 3,581.55, 4,940.73 and 2,321.06 is: 3,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.55 : 4,940.73 = 2,321.06 : x
  2. Step 2: Convert to fraction form
    3,581.55/4,940.73 = 2,321.06/x
  3. Step 3: Cross multiply
    3,581.55x = 4,940.73 × 2,321.06
  4. Step 4: Simplify right side
    3,581.55x = 11,467,706.07
  5. Step 5: Solve for x
    x = 11,467,706.07/3,581.55
  6. Step 6: Final answer
    x = 3,201.88

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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.