Home / 2,245.92-3,099.28-1,362.08

Finding the Fourth Proportional to 2,245.92, 3,099.28 and 1,362.08

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Solution

The fourth proportional to 2,245.92, 3,099.28 and 1,362.08 is: 1,879.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.92 : 3,099.28 = 1,362.08 : x
  2. Step 2: Convert to fraction form
    2,245.92/3,099.28 = 1,362.08/x
  3. Step 3: Cross multiply
    2,245.92x = 3,099.28 × 1,362.08
  4. Step 4: Simplify right side
    2,245.92x = 4,221,467.30
  5. Step 5: Solve for x
    x = 4,221,467.30/2,245.92
  6. Step 6: Final answer
    x = 1,879.62

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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.