Home / 3,016.01-4,161.61-1,689.77

Finding the Fourth Proportional to 3,016.01, 4,161.61 and 1,689.77

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Solution

The fourth proportional to 3,016.01, 4,161.61 and 1,689.77 is: 2,331.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.01 : 4,161.61 = 1,689.77 : x
  2. Step 2: Convert to fraction form
    3,016.01/4,161.61 = 1,689.77/x
  3. Step 3: Cross multiply
    3,016.01x = 4,161.61 × 1,689.77
  4. Step 4: Simplify right side
    3,016.01x = 7,032,163.73
  5. Step 5: Solve for x
    x = 7,032,163.73/3,016.01
  6. Step 6: Final answer
    x = 2,331.61

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1.5x scale

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.