Home / 1,463.36-2,198.29-1,388.78

Finding the Fourth Proportional to 1,463.36, 2,198.29 and 1,388.78

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Solution

The fourth proportional to 1,463.36, 2,198.29 and 1,388.78 is: 2,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.36 : 2,198.29 = 1,388.78 : x
  2. Step 2: Convert to fraction form
    1,463.36/2,198.29 = 1,388.78/x
  3. Step 3: Cross multiply
    1,463.36x = 2,198.29 × 1,388.78
  4. Step 4: Simplify right side
    1,463.36x = 3,052,926.72
  5. Step 5: Solve for x
    x = 3,052,926.72/1,463.36
  6. Step 6: Final answer
    x = 2,086.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.