Home / 3,900.94-5,849.38-1,926.66

Finding the Fourth Proportional to 3,900.94, 5,849.38 and 1,926.66

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Solution

The fourth proportional to 3,900.94, 5,849.38 and 1,926.66 is: 2,888.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.94 : 5,849.38 = 1,926.66 : x
  2. Step 2: Convert to fraction form
    3,900.94/5,849.38 = 1,926.66/x
  3. Step 3: Cross multiply
    3,900.94x = 5,849.38 × 1,926.66
  4. Step 4: Simplify right side
    3,900.94x = 11,269,766.47
  5. Step 5: Solve for x
    x = 11,269,766.47/3,900.94
  6. Step 6: Final answer
    x = 2,888.99

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1.5x scale

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.