Home / 2,879.23-4,317.96-1,891.99

Finding the Fourth Proportional to 2,879.23, 4,317.96 and 1,891.99

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Solution

The fourth proportional to 2,879.23, 4,317.96 and 1,891.99 is: 2,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.23 : 4,317.96 = 1,891.99 : x
  2. Step 2: Convert to fraction form
    2,879.23/4,317.96 = 1,891.99/x
  3. Step 3: Cross multiply
    2,879.23x = 4,317.96 × 1,891.99
  4. Step 4: Simplify right side
    2,879.23x = 8,169,538.99
  5. Step 5: Solve for x
    x = 8,169,538.99/2,879.23
  6. Step 6: Final answer
    x = 2,837.40

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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.