Home / 3,016.67-4,163.31-1,690.61

Finding the Fourth Proportional to 3,016.67, 4,163.31 and 1,690.61

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Solution

The fourth proportional to 3,016.67, 4,163.31 and 1,690.61 is: 2,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.67 : 4,163.31 = 1,690.61 : x
  2. Step 2: Convert to fraction form
    3,016.67/4,163.31 = 1,690.61/x
  3. Step 3: Cross multiply
    3,016.67x = 4,163.31 × 1,690.61
  4. Step 4: Simplify right side
    3,016.67x = 7,038,533.52
  5. Step 5: Solve for x
    x = 7,038,533.52/3,016.67
  6. Step 6: Final answer
    x = 2,333.21

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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.