Home / 1,730.94-2,596.30-743.75

Finding the Fourth Proportional to 1,730.94, 2,596.30 and 743.75

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Solution

The fourth proportional to 1,730.94, 2,596.30 and 743.75 is: 1,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.94 : 2,596.30 = 743.75 : x
  2. Step 2: Convert to fraction form
    1,730.94/2,596.30 = 743.75/x
  3. Step 3: Cross multiply
    1,730.94x = 2,596.30 × 743.75
  4. Step 4: Simplify right side
    1,730.94x = 1,930,993.02
  5. Step 5: Solve for x
    x = 1,930,993.02/1,730.94
  6. Step 6: Final answer
    x = 1,115.58

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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.