Home / 3,109.26-4,663.98-1,161.09

Finding the Fourth Proportional to 3,109.26, 4,663.98 and 1,161.09

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Solution

The fourth proportional to 3,109.26, 4,663.98 and 1,161.09 is: 1,741.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.26 : 4,663.98 = 1,161.09 : x
  2. Step 2: Convert to fraction form
    3,109.26/4,663.98 = 1,161.09/x
  3. Step 3: Cross multiply
    3,109.26x = 4,663.98 × 1,161.09
  4. Step 4: Simplify right side
    3,109.26x = 5,415,300.54
  5. Step 5: Solve for x
    x = 5,415,300.54/3,109.26
  6. Step 6: Final answer
    x = 1,741.67

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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.