Home / 2,183.36-3,275.21-623.50

Finding the Fourth Proportional to 2,183.36, 3,275.21 and 623.50

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Solution

The fourth proportional to 2,183.36, 3,275.21 and 623.50 is: 935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.36 : 3,275.21 = 623.50 : x
  2. Step 2: Convert to fraction form
    2,183.36/3,275.21 = 623.50/x
  3. Step 3: Cross multiply
    2,183.36x = 3,275.21 × 623.50
  4. Step 4: Simplify right side
    2,183.36x = 2,042,082.13
  5. Step 5: Solve for x
    x = 2,042,082.13/2,183.36
  6. Step 6: Final answer
    x = 935.29

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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.