Home / 3,087.41-4,262.03-1,969.88

Finding the Fourth Proportional to 3,087.41, 4,262.03 and 1,969.88

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Solution

The fourth proportional to 3,087.41, 4,262.03 and 1,969.88 is: 2,719.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.41 : 4,262.03 = 1,969.88 : x
  2. Step 2: Convert to fraction form
    3,087.41/4,262.03 = 1,969.88/x
  3. Step 3: Cross multiply
    3,087.41x = 4,262.03 × 1,969.88
  4. Step 4: Simplify right side
    3,087.41x = 8,395,687.66
  5. Step 5: Solve for x
    x = 8,395,687.66/3,087.41
  6. Step 6: Final answer
    x = 2,719.33

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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.