Home / 3,469.28-4,787.70-2,072.84

Finding the Fourth Proportional to 3,469.28, 4,787.70 and 2,072.84

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Solution

The fourth proportional to 3,469.28, 4,787.70 and 2,072.84 is: 2,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.28 : 4,787.70 = 2,072.84 : x
  2. Step 2: Convert to fraction form
    3,469.28/4,787.70 = 2,072.84/x
  3. Step 3: Cross multiply
    3,469.28x = 4,787.70 × 2,072.84
  4. Step 4: Simplify right side
    3,469.28x = 9,924,136.07
  5. Step 5: Solve for x
    x = 9,924,136.07/3,469.28
  6. Step 6: Final answer
    x = 2,860.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.