Home / 3,942.45-5,903.23-2,380.36

Finding the Fourth Proportional to 3,942.45, 5,903.23 and 2,380.36

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Solution

The fourth proportional to 3,942.45, 5,903.23 and 2,380.36 is: 3,564.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.45 : 5,903.23 = 2,380.36 : x
  2. Step 2: Convert to fraction form
    3,942.45/5,903.23 = 2,380.36/x
  3. Step 3: Cross multiply
    3,942.45x = 5,903.23 × 2,380.36
  4. Step 4: Simplify right side
    3,942.45x = 14,051,812.56
  5. Step 5: Solve for x
    x = 14,051,812.56/3,942.45
  6. Step 6: Final answer
    x = 3,564.23

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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.