Home / 3,469.36-4,787.04-2,072.56

Finding the Fourth Proportional to 3,469.36, 4,787.04 and 2,072.56

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Solution

The fourth proportional to 3,469.36, 4,787.04 and 2,072.56 is: 2,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.36 : 4,787.04 = 2,072.56 : x
  2. Step 2: Convert to fraction form
    3,469.36/4,787.04 = 2,072.56/x
  3. Step 3: Cross multiply
    3,469.36x = 4,787.04 × 2,072.56
  4. Step 4: Simplify right side
    3,469.36x = 9,921,427.62
  5. Step 5: Solve for x
    x = 9,921,427.62/3,469.36
  6. Step 6: Final answer
    x = 2,859.73

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1.5x scale

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.