Home / 3,972.26-5,481.75-2,203.91

Finding the Fourth Proportional to 3,972.26, 5,481.75 and 2,203.91

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Solution

The fourth proportional to 3,972.26, 5,481.75 and 2,203.91 is: 3,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.26 : 5,481.75 = 2,203.91 : x
  2. Step 2: Convert to fraction form
    3,972.26/5,481.75 = 2,203.91/x
  3. Step 3: Cross multiply
    3,972.26x = 5,481.75 × 2,203.91
  4. Step 4: Simplify right side
    3,972.26x = 12,081,256.23
  5. Step 5: Solve for x
    x = 12,081,256.23/3,972.26
  6. Step 6: Final answer
    x = 3,041.41

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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.