Home / 3,453.15-5,181.99-1,894.25

Finding the Fourth Proportional to 3,453.15, 5,181.99 and 1,894.25

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Solution

The fourth proportional to 3,453.15, 5,181.99 and 1,894.25 is: 2,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.15 : 5,181.99 = 1,894.25 : x
  2. Step 2: Convert to fraction form
    3,453.15/5,181.99 = 1,894.25/x
  3. Step 3: Cross multiply
    3,453.15x = 5,181.99 × 1,894.25
  4. Step 4: Simplify right side
    3,453.15x = 9,815,965.75
  5. Step 5: Solve for x
    x = 9,815,965.75/3,453.15
  6. Step 6: Final answer
    x = 2,842.61

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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.