Home / 3,790.35-5,678.60-2,747.77

Finding the Fourth Proportional to 3,790.35, 5,678.60 and 2,747.77

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Solution

The fourth proportional to 3,790.35, 5,678.60 and 2,747.77 is: 4,116.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.35 : 5,678.60 = 2,747.77 : x
  2. Step 2: Convert to fraction form
    3,790.35/5,678.60 = 2,747.77/x
  3. Step 3: Cross multiply
    3,790.35x = 5,678.60 × 2,747.77
  4. Step 4: Simplify right side
    3,790.35x = 15,603,465.66
  5. Step 5: Solve for x
    x = 15,603,465.66/3,790.35
  6. Step 6: Final answer
    x = 4,116.63

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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.