Home / 3,183.35-4,768.10-1,947.02

Finding the Fourth Proportional to 3,183.35, 4,768.10 and 1,947.02

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Solution

The fourth proportional to 3,183.35, 4,768.10 and 1,947.02 is: 2,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.35 : 4,768.10 = 1,947.02 : x
  2. Step 2: Convert to fraction form
    3,183.35/4,768.10 = 1,947.02/x
  3. Step 3: Cross multiply
    3,183.35x = 4,768.10 × 1,947.02
  4. Step 4: Simplify right side
    3,183.35x = 9,283,574.14
  5. Step 5: Solve for x
    x = 9,283,574.14/3,183.35
  6. Step 6: Final answer
    x = 2,916.29

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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.