Home / 2,628.62-3,947.79-1,763.54

Finding the Fourth Proportional to 2,628.62, 3,947.79 and 1,763.54

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Solution

The fourth proportional to 2,628.62, 3,947.79 and 1,763.54 is: 2,648.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.62 : 3,947.79 = 1,763.54 : x
  2. Step 2: Convert to fraction form
    2,628.62/3,947.79 = 1,763.54/x
  3. Step 3: Cross multiply
    2,628.62x = 3,947.79 × 1,763.54
  4. Step 4: Simplify right side
    2,628.62x = 6,962,065.84
  5. Step 5: Solve for x
    x = 6,962,065.84/2,628.62
  6. Step 6: Final answer
    x = 2,648.57

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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.