Home / 3,721.66-5,135.56-2,043.06

Finding the Fourth Proportional to 3,721.66, 5,135.56 and 2,043.06

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Solution

The fourth proportional to 3,721.66, 5,135.56 and 2,043.06 is: 2,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.66 : 5,135.56 = 2,043.06 : x
  2. Step 2: Convert to fraction form
    3,721.66/5,135.56 = 2,043.06/x
  3. Step 3: Cross multiply
    3,721.66x = 5,135.56 × 2,043.06
  4. Step 4: Simplify right side
    3,721.66x = 10,492,231.54
  5. Step 5: Solve for x
    x = 10,492,231.54/3,721.66
  6. Step 6: Final answer
    x = 2,819.24

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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.