Home / 3,069.78-4,236.27-1,672.50

Finding the Fourth Proportional to 3,069.78, 4,236.27 and 1,672.50

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Solution

The fourth proportional to 3,069.78, 4,236.27 and 1,672.50 is: 2,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.78 : 4,236.27 = 1,672.50 : x
  2. Step 2: Convert to fraction form
    3,069.78/4,236.27 = 1,672.50/x
  3. Step 3: Cross multiply
    3,069.78x = 4,236.27 × 1,672.50
  4. Step 4: Simplify right side
    3,069.78x = 7,085,161.58
  5. Step 5: Solve for x
    x = 7,085,161.58/3,069.78
  6. Step 6: Final answer
    x = 2,308.04

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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.