Home / 2,739.96-4,109.94-2,189.57

Finding the Fourth Proportional to 2,739.96, 4,109.94 and 2,189.57

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Solution

The fourth proportional to 2,739.96, 4,109.94 and 2,189.57 is: 3,284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.96 : 4,109.94 = 2,189.57 : x
  2. Step 2: Convert to fraction form
    2,739.96/4,109.94 = 2,189.57/x
  3. Step 3: Cross multiply
    2,739.96x = 4,109.94 × 2,189.57
  4. Step 4: Simplify right side
    2,739.96x = 8,998,980.78
  5. Step 5: Solve for x
    x = 8,998,980.78/2,739.96
  6. Step 6: Final answer
    x = 3,284.35

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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.