Home / 3,780.95-5,671.22-1,183.82

Finding the Fourth Proportional to 3,780.95, 5,671.22 and 1,183.82

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Solution

The fourth proportional to 3,780.95, 5,671.22 and 1,183.82 is: 1,775.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.95 : 5,671.22 = 1,183.82 : x
  2. Step 2: Convert to fraction form
    3,780.95/5,671.22 = 1,183.82/x
  3. Step 3: Cross multiply
    3,780.95x = 5,671.22 × 1,183.82
  4. Step 4: Simplify right side
    3,780.95x = 6,713,669.39
  5. Step 5: Solve for x
    x = 6,713,669.39/3,780.95
  6. Step 6: Final answer
    x = 1,775.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.