Home / 3,943.47-5,921.03-2,635.32

Finding the Fourth Proportional to 3,943.47, 5,921.03 and 2,635.32

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Solution

The fourth proportional to 3,943.47, 5,921.03 and 2,635.32 is: 3,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.47 : 5,921.03 = 2,635.32 : x
  2. Step 2: Convert to fraction form
    3,943.47/5,921.03 = 2,635.32/x
  3. Step 3: Cross multiply
    3,943.47x = 5,921.03 × 2,635.32
  4. Step 4: Simplify right side
    3,943.47x = 15,603,795.60
  5. Step 5: Solve for x
    x = 15,603,795.60/3,943.47
  6. Step 6: Final answer
    x = 3,956.87

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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.