Home / 3,585.33-5,375.90-1,391.49

Finding the Fourth Proportional to 3,585.33, 5,375.90 and 1,391.49

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Solution

The fourth proportional to 3,585.33, 5,375.90 and 1,391.49 is: 2,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.33 : 5,375.90 = 1,391.49 : x
  2. Step 2: Convert to fraction form
    3,585.33/5,375.90 = 1,391.49/x
  3. Step 3: Cross multiply
    3,585.33x = 5,375.90 × 1,391.49
  4. Step 4: Simplify right side
    3,585.33x = 7,480,519.19
  5. Step 5: Solve for x
    x = 7,480,519.19/3,585.33
  6. Step 6: Final answer
    x = 2,086.43

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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.