Home / 2,743.14-3,783.89-2,082.58

Finding the Fourth Proportional to 2,743.14, 3,783.89 and 2,082.58

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Solution

The fourth proportional to 2,743.14, 3,783.89 and 2,082.58 is: 2,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.14 : 3,783.89 = 2,082.58 : x
  2. Step 2: Convert to fraction form
    2,743.14/3,783.89 = 2,082.58/x
  3. Step 3: Cross multiply
    2,743.14x = 3,783.89 × 2,082.58
  4. Step 4: Simplify right side
    2,743.14x = 7,880,253.64
  5. Step 5: Solve for x
    x = 7,880,253.64/2,743.14
  6. Step 6: Final answer
    x = 2,872.71

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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.