Home / 2,850.39-3,935.34-2,185.97

Finding the Fourth Proportional to 2,850.39, 3,935.34 and 2,185.97

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Solution

The fourth proportional to 2,850.39, 3,935.34 and 2,185.97 is: 3,018.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.39 : 3,935.34 = 2,185.97 : x
  2. Step 2: Convert to fraction form
    2,850.39/3,935.34 = 2,185.97/x
  3. Step 3: Cross multiply
    2,850.39x = 3,935.34 × 2,185.97
  4. Step 4: Simplify right side
    2,850.39x = 8,602,515.50
  5. Step 5: Solve for x
    x = 8,602,515.50/2,850.39
  6. Step 6: Final answer
    x = 3,018.01

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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.