Home / 3,901.37-5,383.97-2,132.97

Finding the Fourth Proportional to 3,901.37, 5,383.97 and 2,132.97

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Solution

The fourth proportional to 3,901.37, 5,383.97 and 2,132.97 is: 2,943.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.37 : 5,383.97 = 2,132.97 : x
  2. Step 2: Convert to fraction form
    3,901.37/5,383.97 = 2,132.97/x
  3. Step 3: Cross multiply
    3,901.37x = 5,383.97 × 2,132.97
  4. Step 4: Simplify right side
    3,901.37x = 11,483,835.83
  5. Step 5: Solve for x
    x = 11,483,835.83/3,901.37
  6. Step 6: Final answer
    x = 2,943.54

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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.