Home / 3,976.13-5,482.24-3,436.80

Finding the Fourth Proportional to 3,976.13, 5,482.24 and 3,436.80

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Solution

The fourth proportional to 3,976.13, 5,482.24 and 3,436.80 is: 4,738.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.13 : 5,482.24 = 3,436.80 : x
  2. Step 2: Convert to fraction form
    3,976.13/5,482.24 = 3,436.80/x
  3. Step 3: Cross multiply
    3,976.13x = 5,482.24 × 3,436.80
  4. Step 4: Simplify right side
    3,976.13x = 18,841,342.95
  5. Step 5: Solve for x
    x = 18,841,342.95/3,976.13
  6. Step 6: Final answer
    x = 4,738.61

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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.