Home / 2,630.03-3,629.70-1,965.73

Finding the Fourth Proportional to 2,630.03, 3,629.70 and 1,965.73

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Solution

The fourth proportional to 2,630.03, 3,629.70 and 1,965.73 is: 2,712.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.03 : 3,629.70 = 1,965.73 : x
  2. Step 2: Convert to fraction form
    2,630.03/3,629.70 = 1,965.73/x
  3. Step 3: Cross multiply
    2,630.03x = 3,629.70 × 1,965.73
  4. Step 4: Simplify right side
    2,630.03x = 7,134,982.20
  5. Step 5: Solve for x
    x = 7,134,982.20/2,630.03
  6. Step 6: Final answer
    x = 2,712.89

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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.