Home / 2,381.48-3,286.46-1,333.54

Finding the Fourth Proportional to 2,381.48, 3,286.46 and 1,333.54

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Solution

The fourth proportional to 2,381.48, 3,286.46 and 1,333.54 is: 1,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.48 : 3,286.46 = 1,333.54 : x
  2. Step 2: Convert to fraction form
    2,381.48/3,286.46 = 1,333.54/x
  3. Step 3: Cross multiply
    2,381.48x = 3,286.46 × 1,333.54
  4. Step 4: Simplify right side
    2,381.48x = 4,382,620.99
  5. Step 5: Solve for x
    x = 4,382,620.99/2,381.48
  6. Step 6: Final answer
    x = 1,840.30

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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.