Home / 3,371.56-4,651.14-2,905

Finding the Fourth Proportional to 3,371.56, 4,651.14 and 2,905

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Solution

The fourth proportional to 3,371.56, 4,651.14 and 2,905 is: 4,007.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.56 : 4,651.14 = 2,905 : x
  2. Step 2: Convert to fraction form
    3,371.56/4,651.14 = 2,905/x
  3. Step 3: Cross multiply
    3,371.56x = 4,651.14 × 2,905
  4. Step 4: Simplify right side
    3,371.56x = 13,511,561.70
  5. Step 5: Solve for x
    x = 13,511,561.70/3,371.56
  6. Step 6: Final answer
    x = 4,007.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.