Home / 3,971.33-5,481.09-2,203.50

Finding the Fourth Proportional to 3,971.33, 5,481.09 and 2,203.50

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Solution

The fourth proportional to 3,971.33, 5,481.09 and 2,203.50 is: 3,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.33 : 5,481.09 = 2,203.50 : x
  2. Step 2: Convert to fraction form
    3,971.33/5,481.09 = 2,203.50/x
  3. Step 3: Cross multiply
    3,971.33x = 5,481.09 × 2,203.50
  4. Step 4: Simplify right side
    3,971.33x = 12,077,581.82
  5. Step 5: Solve for x
    x = 12,077,581.82/3,971.33
  6. Step 6: Final answer
    x = 3,041.20

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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.