Home / 1,730.14-2,596.11-1,321.90

Finding the Fourth Proportional to 1,730.14, 2,596.11 and 1,321.90

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Solution

The fourth proportional to 1,730.14, 2,596.11 and 1,321.90 is: 1,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.14 : 2,596.11 = 1,321.90 : x
  2. Step 2: Convert to fraction form
    1,730.14/2,596.11 = 1,321.90/x
  3. Step 3: Cross multiply
    1,730.14x = 2,596.11 × 1,321.90
  4. Step 4: Simplify right side
    1,730.14x = 3,431,797.81
  5. Step 5: Solve for x
    x = 3,431,797.81/1,730.14
  6. Step 6: Final answer
    x = 1,983.54

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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.