Home / 3,040.08-4,194.24-1,992.80

Finding the Fourth Proportional to 3,040.08, 4,194.24 and 1,992.80

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Solution

The fourth proportional to 3,040.08, 4,194.24 and 1,992.80 is: 2,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.08 : 4,194.24 = 1,992.80 : x
  2. Step 2: Convert to fraction form
    3,040.08/4,194.24 = 1,992.80/x
  3. Step 3: Cross multiply
    3,040.08x = 4,194.24 × 1,992.80
  4. Step 4: Simplify right side
    3,040.08x = 8,358,281.47
  5. Step 5: Solve for x
    x = 8,358,281.47/3,040.08
  6. Step 6: Final answer
    x = 2,749.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.