Home / 2,809.26-4,216.32-1,836.54

Finding the Fourth Proportional to 2,809.26, 4,216.32 and 1,836.54

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Solution

The fourth proportional to 2,809.26, 4,216.32 and 1,836.54 is: 2,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809.26 : 4,216.32 = 1,836.54 : x
  2. Step 2: Convert to fraction form
    2,809.26/4,216.32 = 1,836.54/x
  3. Step 3: Cross multiply
    2,809.26x = 4,216.32 × 1,836.54
  4. Step 4: Simplify right side
    2,809.26x = 7,743,440.33
  5. Step 5: Solve for x
    x = 7,743,440.33/2,809.26
  6. Step 6: Final answer
    x = 2,756.40

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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.