Home / 2,738.08-3,778.94-1,559.26

Finding the Fourth Proportional to 2,738.08, 3,778.94 and 1,559.26

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Solution

The fourth proportional to 2,738.08, 3,778.94 and 1,559.26 is: 2,151.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.08 : 3,778.94 = 1,559.26 : x
  2. Step 2: Convert to fraction form
    2,738.08/3,778.94 = 1,559.26/x
  3. Step 3: Cross multiply
    2,738.08x = 3,778.94 × 1,559.26
  4. Step 4: Simplify right side
    2,738.08x = 5,892,323.29
  5. Step 5: Solve for x
    x = 5,892,323.29/2,738.08
  6. Step 6: Final answer
    x = 2,151.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.