Home / 3,901.05-5,383.44-2,132.65

Finding the Fourth Proportional to 3,901.05, 5,383.44 and 2,132.65

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Solution

The fourth proportional to 3,901.05, 5,383.44 and 2,132.65 is: 2,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.05 : 5,383.44 = 2,132.65 : x
  2. Step 2: Convert to fraction form
    3,901.05/5,383.44 = 2,132.65/x
  3. Step 3: Cross multiply
    3,901.05x = 5,383.44 × 2,132.65
  4. Step 4: Simplify right side
    3,901.05x = 11,481,000.05
  5. Step 5: Solve for x
    x = 11,481,000.05/3,901.05
  6. Step 6: Final answer
    x = 2,943.05

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Double scale
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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.