Home / 2,626.43-3,942.07-1,802.66

Finding the Fourth Proportional to 2,626.43, 3,942.07 and 1,802.66

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Solution

The fourth proportional to 2,626.43, 3,942.07 and 1,802.66 is: 2,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.43 : 3,942.07 = 1,802.66 : x
  2. Step 2: Convert to fraction form
    2,626.43/3,942.07 = 1,802.66/x
  3. Step 3: Cross multiply
    2,626.43x = 3,942.07 × 1,802.66
  4. Step 4: Simplify right side
    2,626.43x = 7,106,187.69
  5. Step 5: Solve for x
    x = 7,106,187.69/2,626.43
  6. Step 6: Final answer
    x = 2,705.65

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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.