Home / 1,984.66-2,738.77-1,100.45

Finding the Fourth Proportional to 1,984.66, 2,738.77 and 1,100.45

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Solution

The fourth proportional to 1,984.66, 2,738.77 and 1,100.45 is: 1,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.66 : 2,738.77 = 1,100.45 : x
  2. Step 2: Convert to fraction form
    1,984.66/2,738.77 = 1,100.45/x
  3. Step 3: Cross multiply
    1,984.66x = 2,738.77 × 1,100.45
  4. Step 4: Simplify right side
    1,984.66x = 3,013,879.45
  5. Step 5: Solve for x
    x = 3,013,879.45/1,984.66
  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.