Home / 3,571.06-5,356.04-1,230.70

Finding the Fourth Proportional to 3,571.06, 5,356.04 and 1,230.70

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Solution

The fourth proportional to 3,571.06, 5,356.04 and 1,230.70 is: 1,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.06 : 5,356.04 = 1,230.70 : x
  2. Step 2: Convert to fraction form
    3,571.06/5,356.04 = 1,230.70/x
  3. Step 3: Cross multiply
    3,571.06x = 5,356.04 × 1,230.70
  4. Step 4: Simplify right side
    3,571.06x = 6,591,678.43
  5. Step 5: Solve for x
    x = 6,591,678.43/3,571.06
  6. Step 6: Final answer
    x = 1,845.86

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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.