Home / 3,942.18-5,915.87-2,094.64

Finding the Fourth Proportional to 3,942.18, 5,915.87 and 2,094.64

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Solution

The fourth proportional to 3,942.18, 5,915.87 and 2,094.64 is: 3,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.18 : 5,915.87 = 2,094.64 : x
  2. Step 2: Convert to fraction form
    3,942.18/5,915.87 = 2,094.64/x
  3. Step 3: Cross multiply
    3,942.18x = 5,915.87 × 2,094.64
  4. Step 4: Simplify right side
    3,942.18x = 12,391,577.88
  5. Step 5: Solve for x
    x = 12,391,577.88/3,942.18
  6. Step 6: Final answer
    x = 3,143.33

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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.