Home / 2,214.70-3,056.31-1,219.98

Finding the Fourth Proportional to 2,214.70, 3,056.31 and 1,219.98

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Solution

The fourth proportional to 2,214.70, 3,056.31 and 1,219.98 is: 1,683.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.70 : 3,056.31 = 1,219.98 : x
  2. Step 2: Convert to fraction form
    2,214.70/3,056.31 = 1,219.98/x
  3. Step 3: Cross multiply
    2,214.70x = 3,056.31 × 1,219.98
  4. Step 4: Simplify right side
    2,214.70x = 3,728,630.97
  5. Step 5: Solve for x
    x = 3,728,630.97/2,214.70
  6. Step 6: Final answer
    x = 1,683.58

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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.