Home / 2,540.49-3,811.95-1,241.25

Finding the Fourth Proportional to 2,540.49, 3,811.95 and 1,241.25

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Solution

The fourth proportional to 2,540.49, 3,811.95 and 1,241.25 is: 1,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.49 : 3,811.95 = 1,241.25 : x
  2. Step 2: Convert to fraction form
    2,540.49/3,811.95 = 1,241.25/x
  3. Step 3: Cross multiply
    2,540.49x = 3,811.95 × 1,241.25
  4. Step 4: Simplify right side
    2,540.49x = 4,731,582.94
  5. Step 5: Solve for x
    x = 4,731,582.94/2,540.49
  6. Step 6: Final answer
    x = 1,862.47

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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.