Home / 3,016.95-4,163.55-1,690.77

Finding the Fourth Proportional to 3,016.95, 4,163.55 and 1,690.77

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Solution

The fourth proportional to 3,016.95, 4,163.55 and 1,690.77 is: 2,333.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.95 : 4,163.55 = 1,690.77 : x
  2. Step 2: Convert to fraction form
    3,016.95/4,163.55 = 1,690.77/x
  3. Step 3: Cross multiply
    3,016.95x = 4,163.55 × 1,690.77
  4. Step 4: Simplify right side
    3,016.95x = 7,039,624.22
  5. Step 5: Solve for x
    x = 7,039,624.22/3,016.95
  6. Step 6: Final answer
    x = 2,333.36

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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.