Home / 3,634.70-5,016.67-2,142.07

Finding the Fourth Proportional to 3,634.70, 5,016.67 and 2,142.07

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Solution

The fourth proportional to 3,634.70, 5,016.67 and 2,142.07 is: 2,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.70 : 5,016.67 = 2,142.07 : x
  2. Step 2: Convert to fraction form
    3,634.70/5,016.67 = 2,142.07/x
  3. Step 3: Cross multiply
    3,634.70x = 5,016.67 × 2,142.07
  4. Step 4: Simplify right side
    3,634.70x = 10,746,040.41
  5. Step 5: Solve for x
    x = 10,746,040.41/3,634.70
  6. Step 6: Final answer
    x = 2,956.52

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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.