Home / 1,618.96-2,234.21-1,519.87

Finding the Fourth Proportional to 1,618.96, 2,234.21 and 1,519.87

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Solution

The fourth proportional to 1,618.96, 2,234.21 and 1,519.87 is: 2,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.96 : 2,234.21 = 1,519.87 : x
  2. Step 2: Convert to fraction form
    1,618.96/2,234.21 = 1,519.87/x
  3. Step 3: Cross multiply
    1,618.96x = 2,234.21 × 1,519.87
  4. Step 4: Simplify right side
    1,618.96x = 3,395,708.75
  5. Step 5: Solve for x
    x = 3,395,708.75/1,618.96
  6. Step 6: Final answer
    x = 2,097.46

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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.