Home / 3,926.75-5,891.13-1,153.51

Finding the Fourth Proportional to 3,926.75, 5,891.13 and 1,153.51

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Solution

The fourth proportional to 3,926.75, 5,891.13 and 1,153.51 is: 1,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.75 : 5,891.13 = 1,153.51 : x
  2. Step 2: Convert to fraction form
    3,926.75/5,891.13 = 1,153.51/x
  3. Step 3: Cross multiply
    3,926.75x = 5,891.13 × 1,153.51
  4. Step 4: Simplify right side
    3,926.75x = 6,795,462.64
  5. Step 5: Solve for x
    x = 6,795,462.64/3,926.75
  6. Step 6: Final answer
    x = 1,730.56

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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.