Home / 3,012.42-4,511.29-2,085.38

Finding the Fourth Proportional to 3,012.42, 4,511.29 and 2,085.38

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Solution

The fourth proportional to 3,012.42, 4,511.29 and 2,085.38 is: 3,122.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.42 : 4,511.29 = 2,085.38 : x
  2. Step 2: Convert to fraction form
    3,012.42/4,511.29 = 2,085.38/x
  3. Step 3: Cross multiply
    3,012.42x = 4,511.29 × 2,085.38
  4. Step 4: Simplify right side
    3,012.42x = 9,407,753.94
  5. Step 5: Solve for x
    x = 9,407,753.94/3,012.42
  6. Step 6: Final answer
    x = 3,122.99

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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.