Home / 3,908.03-5,392.80-2,229.05

Finding the Fourth Proportional to 3,908.03, 5,392.80 and 2,229.05

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Solution

The fourth proportional to 3,908.03, 5,392.80 and 2,229.05 is: 3,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.03 : 5,392.80 = 2,229.05 : x
  2. Step 2: Convert to fraction form
    3,908.03/5,392.80 = 2,229.05/x
  3. Step 3: Cross multiply
    3,908.03x = 5,392.80 × 2,229.05
  4. Step 4: Simplify right side
    3,908.03x = 12,020,793.88
  5. Step 5: Solve for x
    x = 12,020,793.88/3,908.03
  6. Step 6: Final answer
    x = 3,075.93

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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.