Home / 2,183.60-3,262.78-1,838

Finding the Fourth Proportional to 2,183.60, 3,262.78 and 1,838

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Solution

The fourth proportional to 2,183.60, 3,262.78 and 1,838 is: 2,746.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.60 : 3,262.78 = 1,838 : x
  2. Step 2: Convert to fraction form
    2,183.60/3,262.78 = 1,838/x
  3. Step 3: Cross multiply
    2,183.60x = 3,262.78 × 1,838
  4. Step 4: Simplify right side
    2,183.60x = 5,996,989.64
  5. Step 5: Solve for x
    x = 5,996,989.64/2,183.60
  6. Step 6: Final answer
    x = 2,746.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.