Home / 1,788.94-2,469.18-1,081

Finding the Fourth Proportional to 1,788.94, 2,469.18 and 1,081

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Solution

The fourth proportional to 1,788.94, 2,469.18 and 1,081 is: 1,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.94 : 2,469.18 = 1,081 : x
  2. Step 2: Convert to fraction form
    1,788.94/2,469.18 = 1,081/x
  3. Step 3: Cross multiply
    1,788.94x = 2,469.18 × 1,081
  4. Step 4: Simplify right side
    1,788.94x = 2,669,183.58
  5. Step 5: Solve for x
    x = 2,669,183.58/1,788.94
  6. Step 6: Final answer
    x = 1,492.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.