Home / 3,901.10-5,383.43-2,132.66

Finding the Fourth Proportional to 3,901.10, 5,383.43 and 2,132.66

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Solution

The fourth proportional to 3,901.10, 5,383.43 and 2,132.66 is: 2,943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.10 : 5,383.43 = 2,132.66 : x
  2. Step 2: Convert to fraction form
    3,901.10/5,383.43 = 2,132.66/x
  3. Step 3: Cross multiply
    3,901.10x = 5,383.43 × 2,132.66
  4. Step 4: Simplify right side
    3,901.10x = 11,481,036.62
  5. Step 5: Solve for x
    x = 11,481,036.62/3,901.10
  6. Step 6: Final answer
    x = 2,943.03

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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.