Home / 3,190.54-4,785.77-1,110.59

Finding the Fourth Proportional to 3,190.54, 4,785.77 and 1,110.59

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Solution

The fourth proportional to 3,190.54, 4,785.77 and 1,110.59 is: 1,665.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.54 : 4,785.77 = 1,110.59 : x
  2. Step 2: Convert to fraction form
    3,190.54/4,785.77 = 1,110.59/x
  3. Step 3: Cross multiply
    3,190.54x = 4,785.77 × 1,110.59
  4. Step 4: Simplify right side
    3,190.54x = 5,315,010.08
  5. Step 5: Solve for x
    x = 5,315,010.08/3,190.54
  6. Step 6: Final answer
    x = 1,665.86

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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.