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Finding the Fourth Proportional to 2,775.62, 3,801.19 and 2,739.17

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Solution

The fourth proportional to 2,775.62, 3,801.19 and 2,739.17 is: 3,751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.62 : 3,801.19 = 2,739.17 : x
  2. Step 2: Convert to fraction form
    2,775.62/3,801.19 = 2,739.17/x
  3. Step 3: Cross multiply
    2,775.62x = 3,801.19 × 2,739.17
  4. Step 4: Simplify right side
    2,775.62x = 10,412,105.61
  5. Step 5: Solve for x
    x = 10,412,105.61/2,775.62
  6. Step 6: Final answer
    x = 3,751.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.