Home / 3,587.75-5,380.26-1,396.19

Finding the Fourth Proportional to 3,587.75, 5,380.26 and 1,396.19

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Solution

The fourth proportional to 3,587.75, 5,380.26 and 1,396.19 is: 2,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.75 : 5,380.26 = 1,396.19 : x
  2. Step 2: Convert to fraction form
    3,587.75/5,380.26 = 1,396.19/x
  3. Step 3: Cross multiply
    3,587.75x = 5,380.26 × 1,396.19
  4. Step 4: Simplify right side
    3,587.75x = 7,511,865.21
  5. Step 5: Solve for x
    x = 7,511,865.21/3,587.75
  6. Step 6: Final answer
    x = 2,093.75

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1.5x scale

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.