Home / 2,738.84-4,104.41-2,119.70

Finding the Fourth Proportional to 2,738.84, 4,104.41 and 2,119.70

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Solution

The fourth proportional to 2,738.84, 4,104.41 and 2,119.70 is: 3,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.84 : 4,104.41 = 2,119.70 : x
  2. Step 2: Convert to fraction form
    2,738.84/4,104.41 = 2,119.70/x
  3. Step 3: Cross multiply
    2,738.84x = 4,104.41 × 2,119.70
  4. Step 4: Simplify right side
    2,738.84x = 8,700,117.54
  5. Step 5: Solve for x
    x = 8,700,117.54/2,738.84
  6. Step 6: Final answer
    x = 3,176.58

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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.