Home / 2,216.70-3,059.06-1,208.41

Finding the Fourth Proportional to 2,216.70, 3,059.06 and 1,208.41

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Solution

The fourth proportional to 2,216.70, 3,059.06 and 1,208.41 is: 1,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.70 : 3,059.06 = 1,208.41 : x
  2. Step 2: Convert to fraction form
    2,216.70/3,059.06 = 1,208.41/x
  3. Step 3: Cross multiply
    2,216.70x = 3,059.06 × 1,208.41
  4. Step 4: Simplify right side
    2,216.70x = 3,696,585.00
  5. Step 5: Solve for x
    x = 3,696,585.00/2,216.70
  6. Step 6: Final answer
    x = 1,667.61

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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.