Home / 3,846.53-5,308.18-2,168.47

Finding the Fourth Proportional to 3,846.53, 5,308.18 and 2,168.47

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Solution

The fourth proportional to 3,846.53, 5,308.18 and 2,168.47 is: 2,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.53 : 5,308.18 = 2,168.47 : x
  2. Step 2: Convert to fraction form
    3,846.53/5,308.18 = 2,168.47/x
  3. Step 3: Cross multiply
    3,846.53x = 5,308.18 × 2,168.47
  4. Step 4: Simplify right side
    3,846.53x = 11,510,629.08
  5. Step 5: Solve for x
    x = 11,510,629.08/3,846.53
  6. Step 6: Final answer
    x = 2,992.47

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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.