Home / 3,144.94-4,717.41-1,091.50

Finding the Fourth Proportional to 3,144.94, 4,717.41 and 1,091.50

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Solution

The fourth proportional to 3,144.94, 4,717.41 and 1,091.50 is: 1,637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.94 : 4,717.41 = 1,091.50 : x
  2. Step 2: Convert to fraction form
    3,144.94/4,717.41 = 1,091.50/x
  3. Step 3: Cross multiply
    3,144.94x = 4,717.41 × 1,091.50
  4. Step 4: Simplify right side
    3,144.94x = 5,149,053.02
  5. Step 5: Solve for x
    x = 5,149,053.02/3,144.94
  6. Step 6: Final answer
    x = 1,637.25

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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.