Home / 2,721.31-3,755.37-1,509.96

Finding the Fourth Proportional to 2,721.31, 3,755.37 and 1,509.96

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Solution

The fourth proportional to 2,721.31, 3,755.37 and 1,509.96 is: 2,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.31 : 3,755.37 = 1,509.96 : x
  2. Step 2: Convert to fraction form
    2,721.31/3,755.37 = 1,509.96/x
  3. Step 3: Cross multiply
    2,721.31x = 3,755.37 × 1,509.96
  4. Step 4: Simplify right side
    2,721.31x = 5,670,458.49
  5. Step 5: Solve for x
    x = 5,670,458.49/2,721.31
  6. Step 6: Final answer
    x = 2,083.72

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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.