Home / 2,940.86-4,410.44-1,379.28

Finding the Fourth Proportional to 2,940.86, 4,410.44 and 1,379.28

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Solution

The fourth proportional to 2,940.86, 4,410.44 and 1,379.28 is: 2,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.86 : 4,410.44 = 1,379.28 : x
  2. Step 2: Convert to fraction form
    2,940.86/4,410.44 = 1,379.28/x
  3. Step 3: Cross multiply
    2,940.86x = 4,410.44 × 1,379.28
  4. Step 4: Simplify right side
    2,940.86x = 6,083,231.68
  5. Step 5: Solve for x
    x = 6,083,231.68/2,940.86
  6. Step 6: Final answer
    x = 2,068.52

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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.