Home / 2,660.03-3,989.73-1,016.54

Finding the Fourth Proportional to 2,660.03, 3,989.73 and 1,016.54

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Solution

The fourth proportional to 2,660.03, 3,989.73 and 1,016.54 is: 1,524.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.03 : 3,989.73 = 1,016.54 : x
  2. Step 2: Convert to fraction form
    2,660.03/3,989.73 = 1,016.54/x
  3. Step 3: Cross multiply
    2,660.03x = 3,989.73 × 1,016.54
  4. Step 4: Simplify right side
    2,660.03x = 4,055,700.19
  5. Step 5: Solve for x
    x = 4,055,700.19/2,660.03
  6. Step 6: Final answer
    x = 1,524.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.