Home / 1,984.19-2,738.02-1,099.91

Finding the Fourth Proportional to 1,984.19, 2,738.02 and 1,099.91

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Solution

The fourth proportional to 1,984.19, 2,738.02 and 1,099.91 is: 1,517.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.19 : 2,738.02 = 1,099.91 : x
  2. Step 2: Convert to fraction form
    1,984.19/2,738.02 = 1,099.91/x
  3. Step 3: Cross multiply
    1,984.19x = 2,738.02 × 1,099.91
  4. Step 4: Simplify right side
    1,984.19x = 3,011,556.39
  5. Step 5: Solve for x
    x = 3,011,556.39/1,984.19
  6. Step 6: Final answer
    x = 1,517.78

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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.