Home / 2,540.41-3,811.82-1,662.70

Finding the Fourth Proportional to 2,540.41, 3,811.82 and 1,662.70

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Solution

The fourth proportional to 2,540.41, 3,811.82 and 1,662.70 is: 2,494.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.41 : 3,811.82 = 1,662.70 : x
  2. Step 2: Convert to fraction form
    2,540.41/3,811.82 = 1,662.70/x
  3. Step 3: Cross multiply
    2,540.41x = 3,811.82 × 1,662.70
  4. Step 4: Simplify right side
    2,540.41x = 6,337,913.11
  5. Step 5: Solve for x
    x = 6,337,913.11/2,540.41
  6. Step 6: Final answer
    x = 2,494.84

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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.