Home / 2,321.67-3,479.40-2,028.45

Finding the Fourth Proportional to 2,321.67, 3,479.40 and 2,028.45

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Solution

The fourth proportional to 2,321.67, 3,479.40 and 2,028.45 is: 3,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.67 : 3,479.40 = 2,028.45 : x
  2. Step 2: Convert to fraction form
    2,321.67/3,479.40 = 2,028.45/x
  3. Step 3: Cross multiply
    2,321.67x = 3,479.40 × 2,028.45
  4. Step 4: Simplify right side
    2,321.67x = 7,057,788.93
  5. Step 5: Solve for x
    x = 7,057,788.93/2,321.67
  6. Step 6: Final answer
    x = 3,039.96

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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.