Home / 1,183.21-1,774.81-1,181.50

Finding the Fourth Proportional to 1,183.21, 1,774.81 and 1,181.50

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Solution

The fourth proportional to 1,183.21, 1,774.81 and 1,181.50 is: 1,772.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.21 : 1,774.81 = 1,181.50 : x
  2. Step 2: Convert to fraction form
    1,183.21/1,774.81 = 1,181.50/x
  3. Step 3: Cross multiply
    1,183.21x = 1,774.81 × 1,181.50
  4. Step 4: Simplify right side
    1,183.21x = 2,096,929.14
  5. Step 5: Solve for x
    x = 2,096,929.14/1,183.21
  6. Step 6: Final answer
    x = 1,772.24

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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.