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Finding the Fourth Proportional to 2,757.77, 3,805.82 and 1,623.24

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Solution

The fourth proportional to 2,757.77, 3,805.82 and 1,623.24 is: 2,240.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.77 : 3,805.82 = 1,623.24 : x
  2. Step 2: Convert to fraction form
    2,757.77/3,805.82 = 1,623.24/x
  3. Step 3: Cross multiply
    2,757.77x = 3,805.82 × 1,623.24
  4. Step 4: Simplify right side
    2,757.77x = 6,177,756.70
  5. Step 5: Solve for x
    x = 6,177,756.70/2,757.77
  6. Step 6: Final answer
    x = 2,240.12

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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.