Home / 3,846.60-5,308.74-2,168.04

Finding the Fourth Proportional to 3,846.60, 5,308.74 and 2,168.04

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Solution

The fourth proportional to 3,846.60, 5,308.74 and 2,168.04 is: 2,992.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.60 : 5,308.74 = 2,168.04 : x
  2. Step 2: Convert to fraction form
    3,846.60/5,308.74 = 2,168.04/x
  3. Step 3: Cross multiply
    3,846.60x = 5,308.74 × 2,168.04
  4. Step 4: Simplify right side
    3,846.60x = 11,509,560.67
  5. Step 5: Solve for x
    x = 11,509,560.67/3,846.60
  6. Step 6: Final answer
    x = 2,992.14

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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.