Home / 3,162.21-4,363.94-1,745.98

Finding the Fourth Proportional to 3,162.21, 4,363.94 and 1,745.98

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Solution

The fourth proportional to 3,162.21, 4,363.94 and 1,745.98 is: 2,409.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.21 : 4,363.94 = 1,745.98 : x
  2. Step 2: Convert to fraction form
    3,162.21/4,363.94 = 1,745.98/x
  3. Step 3: Cross multiply
    3,162.21x = 4,363.94 × 1,745.98
  4. Step 4: Simplify right side
    3,162.21x = 7,619,351.96
  5. Step 5: Solve for x
    x = 7,619,351.96/3,162.21
  6. Step 6: Final answer
    x = 2,409.50

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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.