Home / 2,276.82-3,415.23-1,628.82

Finding the Fourth Proportional to 2,276.82, 3,415.23 and 1,628.82

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Solution

The fourth proportional to 2,276.82, 3,415.23 and 1,628.82 is: 2,443.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.82 : 3,415.23 = 1,628.82 : x
  2. Step 2: Convert to fraction form
    2,276.82/3,415.23 = 1,628.82/x
  3. Step 3: Cross multiply
    2,276.82x = 3,415.23 × 1,628.82
  4. Step 4: Simplify right side
    2,276.82x = 5,562,794.93
  5. Step 5: Solve for x
    x = 5,562,794.93/2,276.82
  6. Step 6: Final answer
    x = 2,443.23

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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.