Home / 2,788.44-4,183.34-1,398.32

Finding the Fourth Proportional to 2,788.44, 4,183.34 and 1,398.32

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Solution

The fourth proportional to 2,788.44, 4,183.34 and 1,398.32 is: 2,097.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.44 : 4,183.34 = 1,398.32 : x
  2. Step 2: Convert to fraction form
    2,788.44/4,183.34 = 1,398.32/x
  3. Step 3: Cross multiply
    2,788.44x = 4,183.34 × 1,398.32
  4. Step 4: Simplify right side
    2,788.44x = 5,849,647.99
  5. Step 5: Solve for x
    x = 5,849,647.99/2,788.44
  6. Step 6: Final answer
    x = 2,097.82

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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.