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Finding the Fourth Proportional to 3,958.48, 5,932.04 and 2,910.28

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Solution

The fourth proportional to 3,958.48, 5,932.04 and 2,910.28 is: 4,361.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.48 : 5,932.04 = 2,910.28 : x
  2. Step 2: Convert to fraction form
    3,958.48/5,932.04 = 2,910.28/x
  3. Step 3: Cross multiply
    3,958.48x = 5,932.04 × 2,910.28
  4. Step 4: Simplify right side
    3,958.48x = 17,263,897.37
  5. Step 5: Solve for x
    x = 17,263,897.37/3,958.48
  6. Step 6: Final answer
    x = 4,361.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.