Home / 1,819.16-2,730.12-1,458.31

Finding the Fourth Proportional to 1,819.16, 2,730.12 and 1,458.31

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Solution

The fourth proportional to 1,819.16, 2,730.12 and 1,458.31 is: 2,188.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.16 : 2,730.12 = 1,458.31 : x
  2. Step 2: Convert to fraction form
    1,819.16/2,730.12 = 1,458.31/x
  3. Step 3: Cross multiply
    1,819.16x = 2,730.12 × 1,458.31
  4. Step 4: Simplify right side
    1,819.16x = 3,981,340.36
  5. Step 5: Solve for x
    x = 3,981,340.36/1,819.16
  6. Step 6: Final answer
    x = 2,188.56

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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.