Home / 1,910.54-2,636.58-1,202.60

Finding the Fourth Proportional to 1,910.54, 2,636.58 and 1,202.60

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Solution

The fourth proportional to 1,910.54, 2,636.58 and 1,202.60 is: 1,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.54 : 2,636.58 = 1,202.60 : x
  2. Step 2: Convert to fraction form
    1,910.54/2,636.58 = 1,202.60/x
  3. Step 3: Cross multiply
    1,910.54x = 2,636.58 × 1,202.60
  4. Step 4: Simplify right side
    1,910.54x = 3,170,751.11
  5. Step 5: Solve for x
    x = 3,170,751.11/1,910.54
  6. Step 6: Final answer
    x = 1,659.61

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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.