Home / 3,634.41-5,015.25-2,142.05

Finding the Fourth Proportional to 3,634.41, 5,015.25 and 2,142.05

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Solution

The fourth proportional to 3,634.41, 5,015.25 and 2,142.05 is: 2,955.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.41 : 5,015.25 = 2,142.05 : x
  2. Step 2: Convert to fraction form
    3,634.41/5,015.25 = 2,142.05/x
  3. Step 3: Cross multiply
    3,634.41x = 5,015.25 × 2,142.05
  4. Step 4: Simplify right side
    3,634.41x = 10,742,891.19
  5. Step 5: Solve for x
    x = 10,742,891.19/3,634.41
  6. Step 6: Final answer
    x = 2,955.88

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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.