Home / 2,412.14-3,618.19-1,619.69

Finding the Fourth Proportional to 2,412.14, 3,618.19 and 1,619.69

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Solution

The fourth proportional to 2,412.14, 3,618.19 and 1,619.69 is: 2,429.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.14 : 3,618.19 = 1,619.69 : x
  2. Step 2: Convert to fraction form
    2,412.14/3,618.19 = 1,619.69/x
  3. Step 3: Cross multiply
    2,412.14x = 3,618.19 × 1,619.69
  4. Step 4: Simplify right side
    2,412.14x = 5,860,319.97
  5. Step 5: Solve for x
    x = 5,860,319.97/2,412.14
  6. Step 6: Final answer
    x = 2,429.52

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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.