Home / 2,217.35-3,059.83-1,222.60

Finding the Fourth Proportional to 2,217.35, 3,059.83 and 1,222.60

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Solution

The fourth proportional to 2,217.35, 3,059.83 and 1,222.60 is: 1,687.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.35 : 3,059.83 = 1,222.60 : x
  2. Step 2: Convert to fraction form
    2,217.35/3,059.83 = 1,222.60/x
  3. Step 3: Cross multiply
    2,217.35x = 3,059.83 × 1,222.60
  4. Step 4: Simplify right side
    2,217.35x = 3,740,948.16
  5. Step 5: Solve for x
    x = 3,740,948.16/2,217.35
  6. Step 6: Final answer
    x = 1,687.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.