Home / 3,942.95-5,903.99-2,380.86

Finding the Fourth Proportional to 3,942.95, 5,903.99 and 2,380.86

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Solution

The fourth proportional to 3,942.95, 5,903.99 and 2,380.86 is: 3,564.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.95 : 5,903.99 = 2,380.86 : x
  2. Step 2: Convert to fraction form
    3,942.95/5,903.99 = 2,380.86/x
  3. Step 3: Cross multiply
    3,942.95x = 5,903.99 × 2,380.86
  4. Step 4: Simplify right side
    3,942.95x = 14,056,561.73
  5. Step 5: Solve for x
    x = 14,056,561.73/3,942.95
  6. Step 6: Final answer
    x = 3,564.99

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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.