Home / 1,968.98-2,950.84-1,721.58

Finding the Fourth Proportional to 1,968.98, 2,950.84 and 1,721.58

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Solution

The fourth proportional to 1,968.98, 2,950.84 and 1,721.58 is: 2,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.98 : 2,950.84 = 1,721.58 : x
  2. Step 2: Convert to fraction form
    1,968.98/2,950.84 = 1,721.58/x
  3. Step 3: Cross multiply
    1,968.98x = 2,950.84 × 1,721.58
  4. Step 4: Simplify right side
    1,968.98x = 5,080,098.52
  5. Step 5: Solve for x
    x = 5,080,098.52/1,968.98
  6. Step 6: Final answer
    x = 2,580.07

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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.