Home / 3,971.58-5,481.21-2,203.62

Finding the Fourth Proportional to 3,971.58, 5,481.21 and 2,203.62

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Solution

The fourth proportional to 3,971.58, 5,481.21 and 2,203.62 is: 3,041.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.58 : 5,481.21 = 2,203.62 : x
  2. Step 2: Convert to fraction form
    3,971.58/5,481.21 = 2,203.62/x
  3. Step 3: Cross multiply
    3,971.58x = 5,481.21 × 2,203.62
  4. Step 4: Simplify right side
    3,971.58x = 12,078,503.98
  5. Step 5: Solve for x
    x = 12,078,503.98/3,971.58
  6. Step 6: Final answer
    x = 3,041.23

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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.