Home / 3,584.34-5,375.58-1,391.87

Finding the Fourth Proportional to 3,584.34, 5,375.58 and 1,391.87

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Solution

The fourth proportional to 3,584.34, 5,375.58 and 1,391.87 is: 2,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.34 : 5,375.58 = 1,391.87 : x
  2. Step 2: Convert to fraction form
    3,584.34/5,375.58 = 1,391.87/x
  3. Step 3: Cross multiply
    3,584.34x = 5,375.58 × 1,391.87
  4. Step 4: Simplify right side
    3,584.34x = 7,482,081.66
  5. Step 5: Solve for x
    x = 7,482,081.66/3,584.34
  6. Step 6: Final answer
    x = 2,087.44

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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.