Home / 2,622.68-3,928.83-1,698.89

Finding the Fourth Proportional to 2,622.68, 3,928.83 and 1,698.89

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Solution

The fourth proportional to 2,622.68, 3,928.83 and 1,698.89 is: 2,544.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.68 : 3,928.83 = 1,698.89 : x
  2. Step 2: Convert to fraction form
    2,622.68/3,928.83 = 1,698.89/x
  3. Step 3: Cross multiply
    2,622.68x = 3,928.83 × 1,698.89
  4. Step 4: Simplify right side
    2,622.68x = 6,674,630.35
  5. Step 5: Solve for x
    x = 6,674,630.35/2,622.68
  6. Step 6: Final answer
    x = 2,544.97

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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.