Home / 1,215.07-1,819.44-1,019.59

Finding the Fourth Proportional to 1,215.07, 1,819.44 and 1,019.59

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Solution

The fourth proportional to 1,215.07, 1,819.44 and 1,019.59 is: 1,526.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215.07 : 1,819.44 = 1,019.59 : x
  2. Step 2: Convert to fraction form
    1,215.07/1,819.44 = 1,019.59/x
  3. Step 3: Cross multiply
    1,215.07x = 1,819.44 × 1,019.59
  4. Step 4: Simplify right side
    1,215.07x = 1,855,078.28
  5. Step 5: Solve for x
    x = 1,855,078.28/1,215.07
  6. Step 6: Final answer
    x = 1,526.73

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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.