Home / 2,883.63-3,975.44-2,175.15

Finding the Fourth Proportional to 2,883.63, 3,975.44 and 2,175.15

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Solution

The fourth proportional to 2,883.63, 3,975.44 and 2,175.15 is: 2,998.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.63 : 3,975.44 = 2,175.15 : x
  2. Step 2: Convert to fraction form
    2,883.63/3,975.44 = 2,175.15/x
  3. Step 3: Cross multiply
    2,883.63x = 3,975.44 × 2,175.15
  4. Step 4: Simplify right side
    2,883.63x = 8,647,167.44
  5. Step 5: Solve for x
    x = 8,647,167.44/2,883.63
  6. Step 6: Final answer
    x = 2,998.71

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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.