Home / 3,847.70-5,310.06-2,168.93

Finding the Fourth Proportional to 3,847.70, 5,310.06 and 2,168.93

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Solution

The fourth proportional to 3,847.70, 5,310.06 and 2,168.93 is: 2,993.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.70 : 5,310.06 = 2,168.93 : x
  2. Step 2: Convert to fraction form
    3,847.70/5,310.06 = 2,168.93/x
  3. Step 3: Cross multiply
    3,847.70x = 5,310.06 × 2,168.93
  4. Step 4: Simplify right side
    3,847.70x = 11,517,148.44
  5. Step 5: Solve for x
    x = 11,517,148.44/3,847.70
  6. Step 6: Final answer
    x = 2,993.26

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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.