Home / 2,763.64-4,145.46-1,119.07

Finding the Fourth Proportional to 2,763.64, 4,145.46 and 1,119.07

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Solution

The fourth proportional to 2,763.64, 4,145.46 and 1,119.07 is: 1,678.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.64 : 4,145.46 = 1,119.07 : x
  2. Step 2: Convert to fraction form
    2,763.64/4,145.46 = 1,119.07/x
  3. Step 3: Cross multiply
    2,763.64x = 4,145.46 × 1,119.07
  4. Step 4: Simplify right side
    2,763.64x = 4,639,059.92
  5. Step 5: Solve for x
    x = 4,639,059.92/2,763.64
  6. Step 6: Final answer
    x = 1,678.61

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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.