Home / 3,185.28-4,777.92-1,453.56

Finding the Fourth Proportional to 3,185.28, 4,777.92 and 1,453.56

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Solution

The fourth proportional to 3,185.28, 4,777.92 and 1,453.56 is: 2,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.28 : 4,777.92 = 1,453.56 : x
  2. Step 2: Convert to fraction form
    3,185.28/4,777.92 = 1,453.56/x
  3. Step 3: Cross multiply
    3,185.28x = 4,777.92 × 1,453.56
  4. Step 4: Simplify right side
    3,185.28x = 6,944,993.40
  5. Step 5: Solve for x
    x = 6,944,993.40/3,185.28
  6. Step 6: Final answer
    x = 2,180.34

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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.