Home / 3,896.13-5,837.16-2,139.24

Finding the Fourth Proportional to 3,896.13, 5,837.16 and 2,139.24

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Solution

The fourth proportional to 3,896.13, 5,837.16 and 2,139.24 is: 3,205.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.13 : 5,837.16 = 2,139.24 : x
  2. Step 2: Convert to fraction form
    3,896.13/5,837.16 = 2,139.24/x
  3. Step 3: Cross multiply
    3,896.13x = 5,837.16 × 2,139.24
  4. Step 4: Simplify right side
    3,896.13x = 12,487,086.16
  5. Step 5: Solve for x
    x = 12,487,086.16/3,896.13
  6. Step 6: Final answer
    x = 3,205.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.