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Finding the Fourth Proportional to 3,995.80, 5,964.12 and 3,749.56

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Solution

The fourth proportional to 3,995.80, 5,964.12 and 3,749.56 is: 5,596.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.80 : 5,964.12 = 3,749.56 : x
  2. Step 2: Convert to fraction form
    3,995.80/5,964.12 = 3,749.56/x
  3. Step 3: Cross multiply
    3,995.80x = 5,964.12 × 3,749.56
  4. Step 4: Simplify right side
    3,995.80x = 22,362,825.79
  5. Step 5: Solve for x
    x = 22,362,825.79/3,995.80
  6. Step 6: Final answer
    x = 5,596.58

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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.