Home / 2,540.75-3,811.70-1,370.73

Finding the Fourth Proportional to 2,540.75, 3,811.70 and 1,370.73

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Solution

The fourth proportional to 2,540.75, 3,811.70 and 1,370.73 is: 2,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.75 : 3,811.70 = 1,370.73 : x
  2. Step 2: Convert to fraction form
    2,540.75/3,811.70 = 1,370.73/x
  3. Step 3: Cross multiply
    2,540.75x = 3,811.70 × 1,370.73
  4. Step 4: Simplify right side
    2,540.75x = 5,224,804.39
  5. Step 5: Solve for x
    x = 5,224,804.39/2,540.75
  6. Step 6: Final answer
    x = 2,056.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.