Home / 2,381.58-3,286.50-1,333.74

Finding the Fourth Proportional to 2,381.58, 3,286.50 and 1,333.74

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Solution

The fourth proportional to 2,381.58, 3,286.50 and 1,333.74 is: 1,840.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.58 : 3,286.50 = 1,333.74 : x
  2. Step 2: Convert to fraction form
    2,381.58/3,286.50 = 1,333.74/x
  3. Step 3: Cross multiply
    2,381.58x = 3,286.50 × 1,333.74
  4. Step 4: Simplify right side
    2,381.58x = 4,383,336.51
  5. Step 5: Solve for x
    x = 4,383,336.51/2,381.58
  6. Step 6: Final answer
    x = 1,840.52

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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.