Home / 2,183.89-3,013.68-1,189.18

Finding the Fourth Proportional to 2,183.89, 3,013.68 and 1,189.18

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Solution

The fourth proportional to 2,183.89, 3,013.68 and 1,189.18 is: 1,641.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.89 : 3,013.68 = 1,189.18 : x
  2. Step 2: Convert to fraction form
    2,183.89/3,013.68 = 1,189.18/x
  3. Step 3: Cross multiply
    2,183.89x = 3,013.68 × 1,189.18
  4. Step 4: Simplify right side
    2,183.89x = 3,583,807.98
  5. Step 5: Solve for x
    x = 3,583,807.98/2,183.89
  6. Step 6: Final answer
    x = 1,641.02

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