Home / 3,942.54-5,903.37-2,380.45

Finding the Fourth Proportional to 3,942.54, 5,903.37 and 2,380.45

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Solution

The fourth proportional to 3,942.54, 5,903.37 and 2,380.45 is: 3,564.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.54 : 5,903.37 = 2,380.45 : x
  2. Step 2: Convert to fraction form
    3,942.54/5,903.37 = 2,380.45/x
  3. Step 3: Cross multiply
    3,942.54x = 5,903.37 × 2,380.45
  4. Step 4: Simplify right side
    3,942.54x = 14,052,677.12
  5. Step 5: Solve for x
    x = 14,052,677.12/3,942.54
  6. Step 6: Final answer
    x = 3,564.37

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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.