Home / 3,901.96-5,379.06-2,968.84

Finding the Fourth Proportional to 3,901.96, 5,379.06 and 2,968.84

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Solution

The fourth proportional to 3,901.96, 5,379.06 and 2,968.84 is: 4,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.96 : 5,379.06 = 2,968.84 : x
  2. Step 2: Convert to fraction form
    3,901.96/5,379.06 = 2,968.84/x
  3. Step 3: Cross multiply
    3,901.96x = 5,379.06 × 2,968.84
  4. Step 4: Simplify right side
    3,901.96x = 15,969,568.49
  5. Step 5: Solve for x
    x = 15,969,568.49/3,901.96
  6. Step 6: Final answer
    x = 4,092.70

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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.