Home / 2,972.70-4,103.82-2,093.22

Finding the Fourth Proportional to 2,972.70, 4,103.82 and 2,093.22

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Solution

The fourth proportional to 2,972.70, 4,103.82 and 2,093.22 is: 2,889.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.70 : 4,103.82 = 2,093.22 : x
  2. Step 2: Convert to fraction form
    2,972.70/4,103.82 = 2,093.22/x
  3. Step 3: Cross multiply
    2,972.70x = 4,103.82 × 2,093.22
  4. Step 4: Simplify right side
    2,972.70x = 8,590,198.10
  5. Step 5: Solve for x
    x = 8,590,198.10/2,972.70
  6. Step 6: Final answer
    x = 2,889.70

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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.