Home / 3,188.43-4,783.73-1,629.09

Finding the Fourth Proportional to 3,188.43, 4,783.73 and 1,629.09

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Solution

The fourth proportional to 3,188.43, 4,783.73 and 1,629.09 is: 2,444.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.43 : 4,783.73 = 1,629.09 : x
  2. Step 2: Convert to fraction form
    3,188.43/4,783.73 = 1,629.09/x
  3. Step 3: Cross multiply
    3,188.43x = 4,783.73 × 1,629.09
  4. Step 4: Simplify right side
    3,188.43x = 7,793,118.56
  5. Step 5: Solve for x
    x = 7,793,118.56/3,188.43
  6. Step 6: Final answer
    x = 2,444.19

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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.