Home / 3,069.92-4,236.44-1,672.68

Finding the Fourth Proportional to 3,069.92, 4,236.44 and 1,672.68

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Solution

The fourth proportional to 3,069.92, 4,236.44 and 1,672.68 is: 2,308.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.92 : 4,236.44 = 1,672.68 : x
  2. Step 2: Convert to fraction form
    3,069.92/4,236.44 = 1,672.68/x
  3. Step 3: Cross multiply
    3,069.92x = 4,236.44 × 1,672.68
  4. Step 4: Simplify right side
    3,069.92x = 7,086,208.46
  5. Step 5: Solve for x
    x = 7,086,208.46/3,069.92
  6. Step 6: Final answer
    x = 2,308.27

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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.