Home / 3,906.32-5,855.36-2,673.40

Finding the Fourth Proportional to 3,906.32, 5,855.36 and 2,673.40

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Solution

The fourth proportional to 3,906.32, 5,855.36 and 2,673.40 is: 4,007.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906.32 : 5,855.36 = 2,673.40 : x
  2. Step 2: Convert to fraction form
    3,906.32/5,855.36 = 2,673.40/x
  3. Step 3: Cross multiply
    3,906.32x = 5,855.36 × 2,673.40
  4. Step 4: Simplify right side
    3,906.32x = 15,653,719.42
  5. Step 5: Solve for x
    x = 15,653,719.42/3,906.32
  6. Step 6: Final answer
    x = 4,007.28

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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.