Home / 1,819.54-2,732.04-1,040.42

Finding the Fourth Proportional to 1,819.54, 2,732.04 and 1,040.42

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Solution

The fourth proportional to 1,819.54, 2,732.04 and 1,040.42 is: 1,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.54 : 2,732.04 = 1,040.42 : x
  2. Step 2: Convert to fraction form
    1,819.54/2,732.04 = 1,040.42/x
  3. Step 3: Cross multiply
    1,819.54x = 2,732.04 × 1,040.42
  4. Step 4: Simplify right side
    1,819.54x = 2,842,469.67
  5. Step 5: Solve for x
    x = 2,842,469.67/1,819.54
  6. Step 6: Final answer
    x = 1,562.19

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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.