Home / 1,481.62-2,218.44-1,134.16

Finding the Fourth Proportional to 1,481.62, 2,218.44 and 1,134.16

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Solution

The fourth proportional to 1,481.62, 2,218.44 and 1,134.16 is: 1,698.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.62 : 2,218.44 = 1,134.16 : x
  2. Step 2: Convert to fraction form
    1,481.62/2,218.44 = 1,134.16/x
  3. Step 3: Cross multiply
    1,481.62x = 2,218.44 × 1,134.16
  4. Step 4: Simplify right side
    1,481.62x = 2,516,065.91
  5. Step 5: Solve for x
    x = 2,516,065.91/1,481.62
  6. Step 6: Final answer
    x = 1,698.19

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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.