Home / 3,163.41-4,745.93-1,215.77

Finding the Fourth Proportional to 3,163.41, 4,745.93 and 1,215.77

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Solution

The fourth proportional to 3,163.41, 4,745.93 and 1,215.77 is: 1,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.41 : 4,745.93 = 1,215.77 : x
  2. Step 2: Convert to fraction form
    3,163.41/4,745.93 = 1,215.77/x
  3. Step 3: Cross multiply
    3,163.41x = 4,745.93 × 1,215.77
  4. Step 4: Simplify right side
    3,163.41x = 5,769,959.32
  5. Step 5: Solve for x
    x = 5,769,959.32/3,163.41
  6. Step 6: Final answer
    x = 1,823.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.