Home / 3,623.95-5,413.01-2,891.44

Finding the Fourth Proportional to 3,623.95, 5,413.01 and 2,891.44

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Solution

The fourth proportional to 3,623.95, 5,413.01 and 2,891.44 is: 4,318.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.95 : 5,413.01 = 2,891.44 : x
  2. Step 2: Convert to fraction form
    3,623.95/5,413.01 = 2,891.44/x
  3. Step 3: Cross multiply
    3,623.95x = 5,413.01 × 2,891.44
  4. Step 4: Simplify right side
    3,623.95x = 15,651,393.63
  5. Step 5: Solve for x
    x = 15,651,393.63/3,623.95
  6. Step 6: Final answer
    x = 4,318.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.