Home / 3,189.66-4,783.33-1,109.13

Finding the Fourth Proportional to 3,189.66, 4,783.33 and 1,109.13

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Solution

The fourth proportional to 3,189.66, 4,783.33 and 1,109.13 is: 1,663.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.66 : 4,783.33 = 1,109.13 : x
  2. Step 2: Convert to fraction form
    3,189.66/4,783.33 = 1,109.13/x
  3. Step 3: Cross multiply
    3,189.66x = 4,783.33 × 1,109.13
  4. Step 4: Simplify right side
    3,189.66x = 5,305,334.80
  5. Step 5: Solve for x
    x = 5,305,334.80/3,189.66
  6. Step 6: Final answer
    x = 1,663.29

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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.