Home / 2,213.89-3,055.35-1,269.97

Finding the Fourth Proportional to 2,213.89, 3,055.35 and 1,269.97

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Solution

The fourth proportional to 2,213.89, 3,055.35 and 1,269.97 is: 1,752.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.89 : 3,055.35 = 1,269.97 : x
  2. Step 2: Convert to fraction form
    2,213.89/3,055.35 = 1,269.97/x
  3. Step 3: Cross multiply
    2,213.89x = 3,055.35 × 1,269.97
  4. Step 4: Simplify right side
    2,213.89x = 3,880,202.84
  5. Step 5: Solve for x
    x = 3,880,202.84/2,213.89
  6. Step 6: Final answer
    x = 1,752.66

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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.