Home / 2,183.40-3,275.58-623.37

Finding the Fourth Proportional to 2,183.40, 3,275.58 and 623.37

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Solution

The fourth proportional to 2,183.40, 3,275.58 and 623.37 is: 935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.40 : 3,275.58 = 623.37 : x
  2. Step 2: Convert to fraction form
    2,183.40/3,275.58 = 623.37/x
  3. Step 3: Cross multiply
    2,183.40x = 3,275.58 × 623.37
  4. Step 4: Simplify right side
    2,183.40x = 2,041,880.37
  5. Step 5: Solve for x
    x = 2,041,880.37/2,183.40
  6. Step 6: Final answer
    x = 935.18

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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.