Home / 3,189.04-4,783.36-1,108.56

Finding the Fourth Proportional to 3,189.04, 4,783.36 and 1,108.56

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Solution

The fourth proportional to 3,189.04, 4,783.36 and 1,108.56 is: 1,662.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.04 : 4,783.36 = 1,108.56 : x
  2. Step 2: Convert to fraction form
    3,189.04/4,783.36 = 1,108.56/x
  3. Step 3: Cross multiply
    3,189.04x = 4,783.36 × 1,108.56
  4. Step 4: Simplify right side
    3,189.04x = 5,302,641.56
  5. Step 5: Solve for x
    x = 5,302,641.56/3,189.04
  6. Step 6: Final answer
    x = 1,662.77

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Similar ratio
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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.