Home / 3,863.53-5,331.64-2,095.15

Finding the Fourth Proportional to 3,863.53, 5,331.64 and 2,095.15

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Solution

The fourth proportional to 3,863.53, 5,331.64 and 2,095.15 is: 2,891.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.53 : 5,331.64 = 2,095.15 : x
  2. Step 2: Convert to fraction form
    3,863.53/5,331.64 = 2,095.15/x
  3. Step 3: Cross multiply
    3,863.53x = 5,331.64 × 2,095.15
  4. Step 4: Simplify right side
    3,863.53x = 11,170,585.55
  5. Step 5: Solve for x
    x = 11,170,585.55/3,863.53
  6. Step 6: Final answer
    x = 2,891.29

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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.