Home / 3,016.52-4,163.21-1,690.50

Finding the Fourth Proportional to 3,016.52, 4,163.21 and 1,690.50

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Solution

The fourth proportional to 3,016.52, 4,163.21 and 1,690.50 is: 2,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.52 : 4,163.21 = 1,690.50 : x
  2. Step 2: Convert to fraction form
    3,016.52/4,163.21 = 1,690.50/x
  3. Step 3: Cross multiply
    3,016.52x = 4,163.21 × 1,690.50
  4. Step 4: Simplify right side
    3,016.52x = 7,037,906.51
  5. Step 5: Solve for x
    x = 7,037,906.51/3,016.52
  6. Step 6: Final answer
    x = 2,333.12

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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.