Home / 3,926.68-5,889.84-1,153.24

Finding the Fourth Proportional to 3,926.68, 5,889.84 and 1,153.24

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Solution

The fourth proportional to 3,926.68, 5,889.84 and 1,153.24 is: 1,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.68 : 5,889.84 = 1,153.24 : x
  2. Step 2: Convert to fraction form
    3,926.68/5,889.84 = 1,153.24/x
  3. Step 3: Cross multiply
    3,926.68x = 5,889.84 × 1,153.24
  4. Step 4: Simplify right side
    3,926.68x = 6,792,399.08
  5. Step 5: Solve for x
    x = 6,792,399.08/3,926.68
  6. Step 6: Final answer
    x = 1,729.81

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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.