Home / 2,738.11-4,108.19-1,643.26

Finding the Fourth Proportional to 2,738.11, 4,108.19 and 1,643.26

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Solution

The fourth proportional to 2,738.11, 4,108.19 and 1,643.26 is: 2,465.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.11 : 4,108.19 = 1,643.26 : x
  2. Step 2: Convert to fraction form
    2,738.11/4,108.19 = 1,643.26/x
  3. Step 3: Cross multiply
    2,738.11x = 4,108.19 × 1,643.26
  4. Step 4: Simplify right side
    2,738.11x = 6,750,824.30
  5. Step 5: Solve for x
    x = 6,750,824.30/2,738.11
  6. Step 6: Final answer
    x = 2,465.51

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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.