Home / 2,450.83-3,382.13-1,331.75

Finding the Fourth Proportional to 2,450.83, 3,382.13 and 1,331.75

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Solution

The fourth proportional to 2,450.83, 3,382.13 and 1,331.75 is: 1,837.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.83 : 3,382.13 = 1,331.75 : x
  2. Step 2: Convert to fraction form
    2,450.83/3,382.13 = 1,331.75/x
  3. Step 3: Cross multiply
    2,450.83x = 3,382.13 × 1,331.75
  4. Step 4: Simplify right side
    2,450.83x = 4,504,151.63
  5. Step 5: Solve for x
    x = 4,504,151.63/2,450.83
  6. Step 6: Final answer
    x = 1,837.81

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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.