Home / 3,770.85-5,203.89-2,092.38

Finding the Fourth Proportional to 3,770.85, 5,203.89 and 2,092.38

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Solution

The fourth proportional to 3,770.85, 5,203.89 and 2,092.38 is: 2,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.85 : 5,203.89 = 2,092.38 : x
  2. Step 2: Convert to fraction form
    3,770.85/5,203.89 = 2,092.38/x
  3. Step 3: Cross multiply
    3,770.85x = 5,203.89 × 2,092.38
  4. Step 4: Simplify right side
    3,770.85x = 10,888,484.50
  5. Step 5: Solve for x
    x = 10,888,484.50/3,770.85
  6. Step 6: Final answer
    x = 2,887.54

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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.