Home / 3,016.05-4,162.11-1,689.77

Finding the Fourth Proportional to 3,016.05, 4,162.11 and 1,689.77

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Solution

The fourth proportional to 3,016.05, 4,162.11 and 1,689.77 is: 2,331.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.05 : 4,162.11 = 1,689.77 : x
  2. Step 2: Convert to fraction form
    3,016.05/4,162.11 = 1,689.77/x
  3. Step 3: Cross multiply
    3,016.05x = 4,162.11 × 1,689.77
  4. Step 4: Simplify right side
    3,016.05x = 7,032,987.80
  5. Step 5: Solve for x
    x = 7,032,987.80/3,016.05
  6. Step 6: Final answer
    x = 2,331.85

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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.