Home / 3,361.46-4,640.89-2,166.87

Finding the Fourth Proportional to 3,361.46, 4,640.89 and 2,166.87

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Solution

The fourth proportional to 3,361.46, 4,640.89 and 2,166.87 is: 2,991.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.46 : 4,640.89 = 2,166.87 : x
  2. Step 2: Convert to fraction form
    3,361.46/4,640.89 = 2,166.87/x
  3. Step 3: Cross multiply
    3,361.46x = 4,640.89 × 2,166.87
  4. Step 4: Simplify right side
    3,361.46x = 10,056,205.31
  5. Step 5: Solve for x
    x = 10,056,205.31/3,361.46
  6. Step 6: Final answer
    x = 2,991.62

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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.