Home / 3,190.93-4,785.61-1,110.63

Finding the Fourth Proportional to 3,190.93, 4,785.61 and 1,110.63

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Solution

The fourth proportional to 3,190.93, 4,785.61 and 1,110.63 is: 1,665.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.93 : 4,785.61 = 1,110.63 : x
  2. Step 2: Convert to fraction form
    3,190.93/4,785.61 = 1,110.63/x
  3. Step 3: Cross multiply
    3,190.93x = 4,785.61 × 1,110.63
  4. Step 4: Simplify right side
    3,190.93x = 5,315,042.03
  5. Step 5: Solve for x
    x = 5,315,042.03/3,190.93
  6. Step 6: Final answer
    x = 1,665.67

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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.