Home / 2,055.06-3,082.75-885.09

Finding the Fourth Proportional to 2,055.06, 3,082.75 and 885.09

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Solution

The fourth proportional to 2,055.06, 3,082.75 and 885.09 is: 1,327.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.06 : 3,082.75 = 885.09 : x
  2. Step 2: Convert to fraction form
    2,055.06/3,082.75 = 885.09/x
  3. Step 3: Cross multiply
    2,055.06x = 3,082.75 × 885.09
  4. Step 4: Simplify right side
    2,055.06x = 2,728,513.41
  5. Step 5: Solve for x
    x = 2,728,513.41/2,055.06
  6. Step 6: Final answer
    x = 1,327.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.