Home / 1,879.29-2,821.67-1,334.37

Finding the Fourth Proportional to 1,879.29, 2,821.67 and 1,334.37

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Solution

The fourth proportional to 1,879.29, 2,821.67 and 1,334.37 is: 2,003.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.29 : 2,821.67 = 1,334.37 : x
  2. Step 2: Convert to fraction form
    1,879.29/2,821.67 = 1,334.37/x
  3. Step 3: Cross multiply
    1,879.29x = 2,821.67 × 1,334.37
  4. Step 4: Simplify right side
    1,879.29x = 3,765,145.13
  5. Step 5: Solve for x
    x = 3,765,145.13/1,879.29
  6. Step 6: Final answer
    x = 2,003.49

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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.