Home / 1,618.42-2,232.44-1,028.46

Finding the Fourth Proportional to 1,618.42, 2,232.44 and 1,028.46

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Solution

The fourth proportional to 1,618.42, 2,232.44 and 1,028.46 is: 1,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.42 : 2,232.44 = 1,028.46 : x
  2. Step 2: Convert to fraction form
    1,618.42/2,232.44 = 1,028.46/x
  3. Step 3: Cross multiply
    1,618.42x = 2,232.44 × 1,028.46
  4. Step 4: Simplify right side
    1,618.42x = 2,295,975.24
  5. Step 5: Solve for x
    x = 2,295,975.24/1,618.42
  6. Step 6: Final answer
    x = 1,418.65

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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.