Home / 1,721.88-2,576.44-1,028.93

Finding the Fourth Proportional to 1,721.88, 2,576.44 and 1,028.93

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Solution

The fourth proportional to 1,721.88, 2,576.44 and 1,028.93 is: 1,539.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.88 : 2,576.44 = 1,028.93 : x
  2. Step 2: Convert to fraction form
    1,721.88/2,576.44 = 1,028.93/x
  3. Step 3: Cross multiply
    1,721.88x = 2,576.44 × 1,028.93
  4. Step 4: Simplify right side
    1,721.88x = 2,650,976.41
  5. Step 5: Solve for x
    x = 2,650,976.41/1,721.88
  6. Step 6: Final answer
    x = 1,539.58

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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.