Home / 2,972.97-4,094.34-2,908.38

Finding the Fourth Proportional to 2,972.97, 4,094.34 and 2,908.38

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Solution

The fourth proportional to 2,972.97, 4,094.34 and 2,908.38 is: 4,005.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.97 : 4,094.34 = 2,908.38 : x
  2. Step 2: Convert to fraction form
    2,972.97/4,094.34 = 2,908.38/x
  3. Step 3: Cross multiply
    2,972.97x = 4,094.34 × 2,908.38
  4. Step 4: Simplify right side
    2,972.97x = 11,907,896.57
  5. Step 5: Solve for x
    x = 11,907,896.57/2,972.97
  6. Step 6: Final answer
    x = 4,005.39

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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.