Home / 2,675.27-4,012.92-943.90

Finding the Fourth Proportional to 2,675.27, 4,012.92 and 943.90

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Solution

The fourth proportional to 2,675.27, 4,012.92 and 943.90 is: 1,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.27 : 4,012.92 = 943.90 : x
  2. Step 2: Convert to fraction form
    2,675.27/4,012.92 = 943.90/x
  3. Step 3: Cross multiply
    2,675.27x = 4,012.92 × 943.90
  4. Step 4: Simplify right side
    2,675.27x = 3,787,788.70
  5. Step 5: Solve for x
    x = 3,787,788.70/2,675.27
  6. Step 6: Final answer
    x = 1,415.85

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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.