Home / 1,730.21-2,596.23-1,321.97

Finding the Fourth Proportional to 1,730.21, 2,596.23 and 1,321.97

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Solution

The fourth proportional to 1,730.21, 2,596.23 and 1,321.97 is: 1,983.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.21 : 2,596.23 = 1,321.97 : x
  2. Step 2: Convert to fraction form
    1,730.21/2,596.23 = 1,321.97/x
  3. Step 3: Cross multiply
    1,730.21x = 2,596.23 × 1,321.97
  4. Step 4: Simplify right side
    1,730.21x = 3,432,131.56
  5. Step 5: Solve for x
    x = 3,432,131.56/1,730.21
  6. Step 6: Final answer
    x = 1,983.65

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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.