Home / 2,950.45-4,072.21-1,692.36

Finding the Fourth Proportional to 2,950.45, 4,072.21 and 1,692.36

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Solution

The fourth proportional to 2,950.45, 4,072.21 and 1,692.36 is: 2,335.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.45 : 4,072.21 = 1,692.36 : x
  2. Step 2: Convert to fraction form
    2,950.45/4,072.21 = 1,692.36/x
  3. Step 3: Cross multiply
    2,950.45x = 4,072.21 × 1,692.36
  4. Step 4: Simplify right side
    2,950.45x = 6,891,631.04
  5. Step 5: Solve for x
    x = 6,891,631.04/2,950.45
  6. Step 6: Final answer
    x = 2,335.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.