Home / 2,768.97-4,123.77-2,753.19

Finding the Fourth Proportional to 2,768.97, 4,123.77 and 2,753.19

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Solution

The fourth proportional to 2,768.97, 4,123.77 and 2,753.19 is: 4,100.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.97 : 4,123.77 = 2,753.19 : x
  2. Step 2: Convert to fraction form
    2,768.97/4,123.77 = 2,753.19/x
  3. Step 3: Cross multiply
    2,768.97x = 4,123.77 × 2,753.19
  4. Step 4: Simplify right side
    2,768.97x = 11,353,522.33
  5. Step 5: Solve for x
    x = 11,353,522.33/2,768.97
  6. Step 6: Final answer
    x = 4,100.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.