Home / 3,069.85-4,236.39-1,672.60

Finding the Fourth Proportional to 3,069.85, 4,236.39 and 1,672.60

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Solution

The fourth proportional to 3,069.85, 4,236.39 and 1,672.60 is: 2,308.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.85 : 4,236.39 = 1,672.60 : x
  2. Step 2: Convert to fraction form
    3,069.85/4,236.39 = 1,672.60/x
  3. Step 3: Cross multiply
    3,069.85x = 4,236.39 × 1,672.60
  4. Step 4: Simplify right side
    3,069.85x = 7,085,775.32
  5. Step 5: Solve for x
    x = 7,085,775.32/3,069.85
  6. Step 6: Final answer
    x = 2,308.18

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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.