Home / 3,214.95-4,436.42-1,798.39

Finding the Fourth Proportional to 3,214.95, 4,436.42 and 1,798.39

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Solution

The fourth proportional to 3,214.95, 4,436.42 and 1,798.39 is: 2,481.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.95 : 4,436.42 = 1,798.39 : x
  2. Step 2: Convert to fraction form
    3,214.95/4,436.42 = 1,798.39/x
  3. Step 3: Cross multiply
    3,214.95x = 4,436.42 × 1,798.39
  4. Step 4: Simplify right side
    3,214.95x = 7,978,413.36
  5. Step 5: Solve for x
    x = 7,978,413.36/3,214.95
  6. Step 6: Final answer
    x = 2,481.66

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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.