Home / 3,942.75-5,915.49-1,753.02

Finding the Fourth Proportional to 3,942.75, 5,915.49 and 1,753.02

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Solution

The fourth proportional to 3,942.75, 5,915.49 and 1,753.02 is: 2,630.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.75 : 5,915.49 = 1,753.02 : x
  2. Step 2: Convert to fraction form
    3,942.75/5,915.49 = 1,753.02/x
  3. Step 3: Cross multiply
    3,942.75x = 5,915.49 × 1,753.02
  4. Step 4: Simplify right side
    3,942.75x = 10,369,972.28
  5. Step 5: Solve for x
    x = 10,369,972.28/3,942.75
  6. Step 6: Final answer
    x = 2,630.14

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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.