Home / 2,721.36-4,076.10-2,133.30

Finding the Fourth Proportional to 2,721.36, 4,076.10 and 2,133.30

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Solution

The fourth proportional to 2,721.36, 4,076.10 and 2,133.30 is: 3,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.36 : 4,076.10 = 2,133.30 : x
  2. Step 2: Convert to fraction form
    2,721.36/4,076.10 = 2,133.30/x
  3. Step 3: Cross multiply
    2,721.36x = 4,076.10 × 2,133.30
  4. Step 4: Simplify right side
    2,721.36x = 8,695,544.13
  5. Step 5: Solve for x
    x = 8,695,544.13/2,721.36
  6. Step 6: Final answer
    x = 3,195.29

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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.