Home / 2,852.46-3,936.56-2,013.44

Finding the Fourth Proportional to 2,852.46, 3,936.56 and 2,013.44

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Solution

The fourth proportional to 2,852.46, 3,936.56 and 2,013.44 is: 2,778.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.46 : 3,936.56 = 2,013.44 : x
  2. Step 2: Convert to fraction form
    2,852.46/3,936.56 = 2,013.44/x
  3. Step 3: Cross multiply
    2,852.46x = 3,936.56 × 2,013.44
  4. Step 4: Simplify right side
    2,852.46x = 7,925,997.62
  5. Step 5: Solve for x
    x = 7,925,997.62/2,852.46
  6. Step 6: Final answer
    x = 2,778.65

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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.