Home / 2,049.24-3,072.41-1,389.49

Finding the Fourth Proportional to 2,049.24, 3,072.41 and 1,389.49

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Solution

The fourth proportional to 2,049.24, 3,072.41 and 1,389.49 is: 2,083.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.24 : 3,072.41 = 1,389.49 : x
  2. Step 2: Convert to fraction form
    2,049.24/3,072.41 = 1,389.49/x
  3. Step 3: Cross multiply
    2,049.24x = 3,072.41 × 1,389.49
  4. Step 4: Simplify right side
    2,049.24x = 4,269,082.97
  5. Step 5: Solve for x
    x = 4,269,082.97/2,049.24
  6. Step 6: Final answer
    x = 2,083.25

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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.