Home / 3,976.86-5,961.64-1,895.56

Finding the Fourth Proportional to 3,976.86, 5,961.64 and 1,895.56

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Solution

The fourth proportional to 3,976.86, 5,961.64 and 1,895.56 is: 2,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.86 : 5,961.64 = 1,895.56 : x
  2. Step 2: Convert to fraction form
    3,976.86/5,961.64 = 1,895.56/x
  3. Step 3: Cross multiply
    3,976.86x = 5,961.64 × 1,895.56
  4. Step 4: Simplify right side
    3,976.86x = 11,300,646.32
  5. Step 5: Solve for x
    x = 11,300,646.32/3,976.86
  6. Step 6: Final answer
    x = 2,841.60

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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.