Home / 3,571.02-5,356.74-1,107.54

Finding the Fourth Proportional to 3,571.02, 5,356.74 and 1,107.54

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Solution

The fourth proportional to 3,571.02, 5,356.74 and 1,107.54 is: 1,661.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.02 : 5,356.74 = 1,107.54 : x
  2. Step 2: Convert to fraction form
    3,571.02/5,356.74 = 1,107.54/x
  3. Step 3: Cross multiply
    3,571.02x = 5,356.74 × 1,107.54
  4. Step 4: Simplify right side
    3,571.02x = 5,932,803.82
  5. Step 5: Solve for x
    x = 5,932,803.82/3,571.02
  6. Step 6: Final answer
    x = 1,661.38

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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.