Home / 1,984.58-2,738.88-1,100.36

Finding the Fourth Proportional to 1,984.58, 2,738.88 and 1,100.36

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Solution

The fourth proportional to 1,984.58, 2,738.88 and 1,100.36 is: 1,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.58 : 2,738.88 = 1,100.36 : x
  2. Step 2: Convert to fraction form
    1,984.58/2,738.88 = 1,100.36/x
  3. Step 3: Cross multiply
    1,984.58x = 2,738.88 × 1,100.36
  4. Step 4: Simplify right side
    1,984.58x = 3,013,760.84
  5. Step 5: Solve for x
    x = 3,013,760.84/1,984.58
  6. Step 6: Final answer
    x = 1,518.59

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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.