Home / 2,183.77-3,013.56-1,189.02

Finding the Fourth Proportional to 2,183.77, 3,013.56 and 1,189.02

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Solution

The fourth proportional to 2,183.77, 3,013.56 and 1,189.02 is: 1,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.77 : 3,013.56 = 1,189.02 : x
  2. Step 2: Convert to fraction form
    2,183.77/3,013.56 = 1,189.02/x
  3. Step 3: Cross multiply
    2,183.77x = 3,013.56 × 1,189.02
  4. Step 4: Simplify right side
    2,183.77x = 3,583,183.11
  5. Step 5: Solve for x
    x = 3,583,183.11/2,183.77
  6. Step 6: Final answer
    x = 1,640.82

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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.