Home / 3,108.70-4,288.26-2,361.34

Finding the Fourth Proportional to 3,108.70, 4,288.26 and 2,361.34

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Solution

The fourth proportional to 3,108.70, 4,288.26 and 2,361.34 is: 3,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.70 : 4,288.26 = 2,361.34 : x
  2. Step 2: Convert to fraction form
    3,108.70/4,288.26 = 2,361.34/x
  3. Step 3: Cross multiply
    3,108.70x = 4,288.26 × 2,361.34
  4. Step 4: Simplify right side
    3,108.70x = 10,126,039.87
  5. Step 5: Solve for x
    x = 10,126,039.87/3,108.70
  6. Step 6: Final answer
    x = 3,257.32

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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.