Home / 3,927.41-5,419.13-2,355.54

Finding the Fourth Proportional to 3,927.41, 5,419.13 and 2,355.54

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Solution

The fourth proportional to 3,927.41, 5,419.13 and 2,355.54 is: 3,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.41 : 5,419.13 = 2,355.54 : x
  2. Step 2: Convert to fraction form
    3,927.41/5,419.13 = 2,355.54/x
  3. Step 3: Cross multiply
    3,927.41x = 5,419.13 × 2,355.54
  4. Step 4: Simplify right side
    3,927.41x = 12,764,977.48
  5. Step 5: Solve for x
    x = 12,764,977.48/3,927.41
  6. Step 6: Final answer
    x = 3,250.23

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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.