Home / 3,069.82-4,236.33-1,672.57

Finding the Fourth Proportional to 3,069.82, 4,236.33 and 1,672.57

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Solution

The fourth proportional to 3,069.82, 4,236.33 and 1,672.57 is: 2,308.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.82 : 4,236.33 = 1,672.57 : x
  2. Step 2: Convert to fraction form
    3,069.82/4,236.33 = 1,672.57/x
  3. Step 3: Cross multiply
    3,069.82x = 4,236.33 × 1,672.57
  4. Step 4: Simplify right side
    3,069.82x = 7,085,558.47
  5. Step 5: Solve for x
    x = 7,085,558.47/3,069.82
  6. Step 6: Final answer
    x = 2,308.13

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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.