Home / 2,382.19-3,576.57-1,212.99

Finding the Fourth Proportional to 2,382.19, 3,576.57 and 1,212.99

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Solution

The fourth proportional to 2,382.19, 3,576.57 and 1,212.99 is: 1,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.19 : 3,576.57 = 1,212.99 : x
  2. Step 2: Convert to fraction form
    2,382.19/3,576.57 = 1,212.99/x
  3. Step 3: Cross multiply
    2,382.19x = 3,576.57 × 1,212.99
  4. Step 4: Simplify right side
    2,382.19x = 4,338,343.64
  5. Step 5: Solve for x
    x = 4,338,343.64/2,382.19
  6. Step 6: Final answer
    x = 1,821.16

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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.