Home / 1,950.58-2,692.68-1,243.38

Finding the Fourth Proportional to 1,950.58, 2,692.68 and 1,243.38

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Solution

The fourth proportional to 1,950.58, 2,692.68 and 1,243.38 is: 1,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.58 : 2,692.68 = 1,243.38 : x
  2. Step 2: Convert to fraction form
    1,950.58/2,692.68 = 1,243.38/x
  3. Step 3: Cross multiply
    1,950.58x = 2,692.68 × 1,243.38
  4. Step 4: Simplify right side
    1,950.58x = 3,348,024.46
  5. Step 5: Solve for x
    x = 3,348,024.46/1,950.58
  6. Step 6: Final answer
    x = 1,716.43

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1.5x scale

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.