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Finding the Fourth Proportional to 3,771.99, 5,204.89 and 2,092.99

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Solution

The fourth proportional to 3,771.99, 5,204.89 and 2,092.99 is: 2,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.99 : 5,204.89 = 2,092.99 : x
  2. Step 2: Convert to fraction form
    3,771.99/5,204.89 = 2,092.99/x
  3. Step 3: Cross multiply
    3,771.99x = 5,204.89 × 2,092.99
  4. Step 4: Simplify right side
    3,771.99x = 10,893,791.84
  5. Step 5: Solve for x
    x = 10,893,791.84/3,771.99
  6. Step 6: Final answer
    x = 2,888.08

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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.