Home / 3,770.92-5,203.02-2,278.56

Finding the Fourth Proportional to 3,770.92, 5,203.02 and 2,278.56

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Solution

The fourth proportional to 3,770.92, 5,203.02 and 2,278.56 is: 3,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.92 : 5,203.02 = 2,278.56 : x
  2. Step 2: Convert to fraction form
    3,770.92/5,203.02 = 2,278.56/x
  3. Step 3: Cross multiply
    3,770.92x = 5,203.02 × 2,278.56
  4. Step 4: Simplify right side
    3,770.92x = 11,855,374.20
  5. Step 5: Solve for x
    x = 11,855,374.20/3,770.92
  6. Step 6: Final answer
    x = 3,143.90

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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.