Home / 3,190.08-4,784.82-1,109.58

Finding the Fourth Proportional to 3,190.08, 4,784.82 and 1,109.58

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Solution

The fourth proportional to 3,190.08, 4,784.82 and 1,109.58 is: 1,664.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.08 : 4,784.82 = 1,109.58 : x
  2. Step 2: Convert to fraction form
    3,190.08/4,784.82 = 1,109.58/x
  3. Step 3: Cross multiply
    3,190.08x = 4,784.82 × 1,109.58
  4. Step 4: Simplify right side
    3,190.08x = 5,309,140.58
  5. Step 5: Solve for x
    x = 5,309,140.58/3,190.08
  6. Step 6: Final answer
    x = 1,664.27

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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.