Home / 3,321.19-4,982.50-1,012.63

Finding the Fourth Proportional to 3,321.19, 4,982.50 and 1,012.63

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Solution

The fourth proportional to 3,321.19, 4,982.50 and 1,012.63 is: 1,519.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.19 : 4,982.50 = 1,012.63 : x
  2. Step 2: Convert to fraction form
    3,321.19/4,982.50 = 1,012.63/x
  3. Step 3: Cross multiply
    3,321.19x = 4,982.50 × 1,012.63
  4. Step 4: Simplify right side
    3,321.19x = 5,045,428.98
  5. Step 5: Solve for x
    x = 5,045,428.98/3,321.19
  6. Step 6: Final answer
    x = 1,519.16

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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.