Home / 2,850.09-3,932.19-1,670.33

Finding the Fourth Proportional to 2,850.09, 3,932.19 and 1,670.33

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Solution

The fourth proportional to 2,850.09, 3,932.19 and 1,670.33 is: 2,304.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.09 : 3,932.19 = 1,670.33 : x
  2. Step 2: Convert to fraction form
    2,850.09/3,932.19 = 1,670.33/x
  3. Step 3: Cross multiply
    2,850.09x = 3,932.19 × 1,670.33
  4. Step 4: Simplify right side
    2,850.09x = 6,568,035.26
  5. Step 5: Solve for x
    x = 6,568,035.26/2,850.09
  6. Step 6: Final answer
    x = 2,304.50

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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.