Home / 3,109.60-4,668.36-2,673.64

Finding the Fourth Proportional to 3,109.60, 4,668.36 and 2,673.64

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Solution

The fourth proportional to 3,109.60, 4,668.36 and 2,673.64 is: 4,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.60 : 4,668.36 = 2,673.64 : x
  2. Step 2: Convert to fraction form
    3,109.60/4,668.36 = 2,673.64/x
  3. Step 3: Cross multiply
    3,109.60x = 4,668.36 × 2,673.64
  4. Step 4: Simplify right side
    3,109.60x = 12,481,514.03
  5. Step 5: Solve for x
    x = 12,481,514.03/3,109.60
  6. Step 6: Final answer
    x = 4,013.86

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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.