Home / 2,901.26-3,997.94-2,103.21

Finding the Fourth Proportional to 2,901.26, 3,997.94 and 2,103.21

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Solution

The fourth proportional to 2,901.26, 3,997.94 and 2,103.21 is: 2,898.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.26 : 3,997.94 = 2,103.21 : x
  2. Step 2: Convert to fraction form
    2,901.26/3,997.94 = 2,103.21/x
  3. Step 3: Cross multiply
    2,901.26x = 3,997.94 × 2,103.21
  4. Step 4: Simplify right side
    2,901.26x = 8,408,496.87
  5. Step 5: Solve for x
    x = 8,408,496.87/2,901.26
  6. Step 6: Final answer
    x = 2,898.23

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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.