Home / 3,109.22-4,289.41-2,059.46

Finding the Fourth Proportional to 3,109.22, 4,289.41 and 2,059.46

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Solution

The fourth proportional to 3,109.22, 4,289.41 and 2,059.46 is: 2,841.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.22 : 4,289.41 = 2,059.46 : x
  2. Step 2: Convert to fraction form
    3,109.22/4,289.41 = 2,059.46/x
  3. Step 3: Cross multiply
    3,109.22x = 4,289.41 × 2,059.46
  4. Step 4: Simplify right side
    3,109.22x = 8,833,841.72
  5. Step 5: Solve for x
    x = 8,833,841.72/3,109.22
  6. Step 6: Final answer
    x = 2,841.18

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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.