Home / 2,660.11-3,988.62-1,016.77

Finding the Fourth Proportional to 2,660.11, 3,988.62 and 1,016.77

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Solution

The fourth proportional to 2,660.11, 3,988.62 and 1,016.77 is: 1,524.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.11 : 3,988.62 = 1,016.77 : x
  2. Step 2: Convert to fraction form
    2,660.11/3,988.62 = 1,016.77/x
  3. Step 3: Cross multiply
    2,660.11x = 3,988.62 × 1,016.77
  4. Step 4: Simplify right side
    2,660.11x = 4,055,509.16
  5. Step 5: Solve for x
    x = 4,055,509.16/2,660.11
  6. Step 6: Final answer
    x = 1,524.56

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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.