Home / 2,214.73-3,056.19-1,219.95

Finding the Fourth Proportional to 2,214.73, 3,056.19 and 1,219.95

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Solution

The fourth proportional to 2,214.73, 3,056.19 and 1,219.95 is: 1,683.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.73 : 3,056.19 = 1,219.95 : x
  2. Step 2: Convert to fraction form
    2,214.73/3,056.19 = 1,219.95/x
  3. Step 3: Cross multiply
    2,214.73x = 3,056.19 × 1,219.95
  4. Step 4: Simplify right side
    2,214.73x = 3,728,398.99
  5. Step 5: Solve for x
    x = 3,728,398.99/2,214.73
  6. Step 6: Final answer
    x = 1,683.46

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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.