Home / 3,584.43-5,372.51-1,391.30

Finding the Fourth Proportional to 3,584.43, 5,372.51 and 1,391.30

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Solution

The fourth proportional to 3,584.43, 5,372.51 and 1,391.30 is: 2,085.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.43 : 5,372.51 = 1,391.30 : x
  2. Step 2: Convert to fraction form
    3,584.43/5,372.51 = 1,391.30/x
  3. Step 3: Cross multiply
    3,584.43x = 5,372.51 × 1,391.30
  4. Step 4: Simplify right side
    3,584.43x = 7,474,759.49
  5. Step 5: Solve for x
    x = 7,474,759.49/3,584.43
  6. Step 6: Final answer
    x = 2,085.34

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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.