Home / 2,214.66-3,056.29-1,219.96

Finding the Fourth Proportional to 2,214.66, 3,056.29 and 1,219.96

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Solution

The fourth proportional to 2,214.66, 3,056.29 and 1,219.96 is: 1,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.66 : 3,056.29 = 1,219.96 : x
  2. Step 2: Convert to fraction form
    2,214.66/3,056.29 = 1,219.96/x
  3. Step 3: Cross multiply
    2,214.66x = 3,056.29 × 1,219.96
  4. Step 4: Simplify right side
    2,214.66x = 3,728,545.45
  5. Step 5: Solve for x
    x = 3,728,545.45/2,214.66
  6. Step 6: Final answer
    x = 1,683.57

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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.