Home / 2,635.14-3,636.25-1,936.90

Finding the Fourth Proportional to 2,635.14, 3,636.25 and 1,936.90

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Solution

The fourth proportional to 2,635.14, 3,636.25 and 1,936.90 is: 2,672.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.14 : 3,636.25 = 1,936.90 : x
  2. Step 2: Convert to fraction form
    2,635.14/3,636.25 = 1,936.90/x
  3. Step 3: Cross multiply
    2,635.14x = 3,636.25 × 1,936.90
  4. Step 4: Simplify right side
    2,635.14x = 7,043,052.63
  5. Step 5: Solve for x
    x = 7,043,052.63/2,635.14
  6. Step 6: Final answer
    x = 2,672.74

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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.