Home / 2,668.96-4,004.36-1,109.10

Finding the Fourth Proportional to 2,668.96, 4,004.36 and 1,109.10

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Solution

The fourth proportional to 2,668.96, 4,004.36 and 1,109.10 is: 1,664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.96 : 4,004.36 = 1,109.10 : x
  2. Step 2: Convert to fraction form
    2,668.96/4,004.36 = 1,109.10/x
  3. Step 3: Cross multiply
    2,668.96x = 4,004.36 × 1,109.10
  4. Step 4: Simplify right side
    2,668.96x = 4,441,235.68
  5. Step 5: Solve for x
    x = 4,441,235.68/2,668.96
  6. Step 6: Final answer
    x = 1,664.03

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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.