Home / 3,571.36-5,356.73-1,231.13

Finding the Fourth Proportional to 3,571.36, 5,356.73 and 1,231.13

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Solution

The fourth proportional to 3,571.36, 5,356.73 and 1,231.13 is: 1,846.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.36 : 5,356.73 = 1,231.13 : x
  2. Step 2: Convert to fraction form
    3,571.36/5,356.73 = 1,231.13/x
  3. Step 3: Cross multiply
    3,571.36x = 5,356.73 × 1,231.13
  4. Step 4: Simplify right side
    3,571.36x = 6,594,847.47
  5. Step 5: Solve for x
    x = 6,594,847.47/3,571.36
  6. Step 6: Final answer
    x = 1,846.59

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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.