Home / 3,629.41-5,013.17-3,156.37

Finding the Fourth Proportional to 3,629.41, 5,013.17 and 3,156.37

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Solution

The fourth proportional to 3,629.41, 5,013.17 and 3,156.37 is: 4,359.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.41 : 5,013.17 = 3,156.37 : x
  2. Step 2: Convert to fraction form
    3,629.41/5,013.17 = 3,156.37/x
  3. Step 3: Cross multiply
    3,629.41x = 5,013.17 × 3,156.37
  4. Step 4: Simplify right side
    3,629.41x = 15,823,419.39
  5. Step 5: Solve for x
    x = 15,823,419.39/3,629.41
  6. Step 6: Final answer
    x = 4,359.78

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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.