Home / 1,819.08-2,512.62-1,582.56

Finding the Fourth Proportional to 1,819.08, 2,512.62 and 1,582.56

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Solution

The fourth proportional to 1,819.08, 2,512.62 and 1,582.56 is: 2,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.08 : 2,512.62 = 1,582.56 : x
  2. Step 2: Convert to fraction form
    1,819.08/2,512.62 = 1,582.56/x
  3. Step 3: Cross multiply
    1,819.08x = 2,512.62 × 1,582.56
  4. Step 4: Simplify right side
    1,819.08x = 3,976,371.91
  5. Step 5: Solve for x
    x = 3,976,371.91/1,819.08
  6. Step 6: Final answer
    x = 2,185.92

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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.