Home / 2,219.67-3,063.56-1,433.97

Finding the Fourth Proportional to 2,219.67, 3,063.56 and 1,433.97

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Solution

The fourth proportional to 2,219.67, 3,063.56 and 1,433.97 is: 1,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.67 : 3,063.56 = 1,433.97 : x
  2. Step 2: Convert to fraction form
    2,219.67/3,063.56 = 1,433.97/x
  3. Step 3: Cross multiply
    2,219.67x = 3,063.56 × 1,433.97
  4. Step 4: Simplify right side
    2,219.67x = 4,393,045.96
  5. Step 5: Solve for x
    x = 4,393,045.96/2,219.67
  6. Step 6: Final answer
    x = 1,979.14

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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.