Home / 3,288.76-4,933.94-2,190.40

Finding the Fourth Proportional to 3,288.76, 4,933.94 and 2,190.40

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Solution

The fourth proportional to 3,288.76, 4,933.94 and 2,190.40 is: 3,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.76 : 4,933.94 = 2,190.40 : x
  2. Step 2: Convert to fraction form
    3,288.76/4,933.94 = 2,190.40/x
  3. Step 3: Cross multiply
    3,288.76x = 4,933.94 × 2,190.40
  4. Step 4: Simplify right side
    3,288.76x = 10,807,302.18
  5. Step 5: Solve for x
    x = 10,807,302.18/3,288.76
  6. Step 6: Final answer
    x = 3,286.13

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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.