Home / 3,039.96-4,557.21-2,115.96

Finding the Fourth Proportional to 3,039.96, 4,557.21 and 2,115.96

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Solution

The fourth proportional to 3,039.96, 4,557.21 and 2,115.96 is: 3,172.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.96 : 4,557.21 = 2,115.96 : x
  2. Step 2: Convert to fraction form
    3,039.96/4,557.21 = 2,115.96/x
  3. Step 3: Cross multiply
    3,039.96x = 4,557.21 × 2,115.96
  4. Step 4: Simplify right side
    3,039.96x = 9,642,860.95
  5. Step 5: Solve for x
    x = 9,642,860.95/3,039.96
  6. Step 6: Final answer
    x = 3,172.03

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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.