Home / 3,019.95-4,163.62-1,955.82

Finding the Fourth Proportional to 3,019.95, 4,163.62 and 1,955.82

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Solution

The fourth proportional to 3,019.95, 4,163.62 and 1,955.82 is: 2,696.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.95 : 4,163.62 = 1,955.82 : x
  2. Step 2: Convert to fraction form
    3,019.95/4,163.62 = 1,955.82/x
  3. Step 3: Cross multiply
    3,019.95x = 4,163.62 × 1,955.82
  4. Step 4: Simplify right side
    3,019.95x = 8,143,291.27
  5. Step 5: Solve for x
    x = 8,143,291.27/3,019.95
  6. Step 6: Final answer
    x = 2,696.50

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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.