Home / 3,908.35-5,393.22-2,230.03

Finding the Fourth Proportional to 3,908.35, 5,393.22 and 2,230.03

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Solution

The fourth proportional to 3,908.35, 5,393.22 and 2,230.03 is: 3,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.35 : 5,393.22 = 2,230.03 : x
  2. Step 2: Convert to fraction form
    3,908.35/5,393.22 = 2,230.03/x
  3. Step 3: Cross multiply
    3,908.35x = 5,393.22 × 2,230.03
  4. Step 4: Simplify right side
    3,908.35x = 12,027,042.40
  5. Step 5: Solve for x
    x = 12,027,042.40/3,908.35
  6. Step 6: Final answer
    x = 3,077.27

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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.