Home / 3,310.69-4,568.10-2,131.60

Finding the Fourth Proportional to 3,310.69, 4,568.10 and 2,131.60

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Solution

The fourth proportional to 3,310.69, 4,568.10 and 2,131.60 is: 2,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.69 : 4,568.10 = 2,131.60 : x
  2. Step 2: Convert to fraction form
    3,310.69/4,568.10 = 2,131.60/x
  3. Step 3: Cross multiply
    3,310.69x = 4,568.10 × 2,131.60
  4. Step 4: Simplify right side
    3,310.69x = 9,737,361.96
  5. Step 5: Solve for x
    x = 9,737,361.96/3,310.69
  6. Step 6: Final answer
    x = 2,941.19

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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.