Home / 3,190.68-4,785.60-1,110.24

Finding the Fourth Proportional to 3,190.68, 4,785.60 and 1,110.24

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Solution

The fourth proportional to 3,190.68, 4,785.60 and 1,110.24 is: 1,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.68 : 4,785.60 = 1,110.24 : x
  2. Step 2: Convert to fraction form
    3,190.68/4,785.60 = 1,110.24/x
  3. Step 3: Cross multiply
    3,190.68x = 4,785.60 × 1,110.24
  4. Step 4: Simplify right side
    3,190.68x = 5,313,164.54
  5. Step 5: Solve for x
    x = 5,313,164.54/3,190.68
  6. Step 6: Final answer
    x = 1,665.21

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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.