Home / 1,926.11-2,658.27-1,180.57

Finding the Fourth Proportional to 1,926.11, 2,658.27 and 1,180.57

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Solution

The fourth proportional to 1,926.11, 2,658.27 and 1,180.57 is: 1,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.11 : 2,658.27 = 1,180.57 : x
  2. Step 2: Convert to fraction form
    1,926.11/2,658.27 = 1,180.57/x
  3. Step 3: Cross multiply
    1,926.11x = 2,658.27 × 1,180.57
  4. Step 4: Simplify right side
    1,926.11x = 3,138,273.81
  5. Step 5: Solve for x
    x = 3,138,273.81/1,926.11
  6. Step 6: Final answer
    x = 1,629.33

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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.