Home / 1,878.82-2,817.99-1,183.30

Finding the Fourth Proportional to 1,878.82, 2,817.99 and 1,183.30

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Solution

The fourth proportional to 1,878.82, 2,817.99 and 1,183.30 is: 1,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878.82 : 2,817.99 = 1,183.30 : x
  2. Step 2: Convert to fraction form
    1,878.82/2,817.99 = 1,183.30/x
  3. Step 3: Cross multiply
    1,878.82x = 2,817.99 × 1,183.30
  4. Step 4: Simplify right side
    1,878.82x = 3,334,520.52
  5. Step 5: Solve for x
    x = 3,334,520.52/1,878.82
  6. Step 6: Final answer
    x = 1,774.80

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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.