Home / 2,381.44-3,286.07-1,333.50

Finding the Fourth Proportional to 2,381.44, 3,286.07 and 1,333.50

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Solution

The fourth proportional to 2,381.44, 3,286.07 and 1,333.50 is: 1,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.44 : 3,286.07 = 1,333.50 : x
  2. Step 2: Convert to fraction form
    2,381.44/3,286.07 = 1,333.50/x
  3. Step 3: Cross multiply
    2,381.44x = 3,286.07 × 1,333.50
  4. Step 4: Simplify right side
    2,381.44x = 4,381,974.35
  5. Step 5: Solve for x
    x = 4,381,974.35/2,381.44
  6. Step 6: Final answer
    x = 1,840.05

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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.