Home / 3,892.19-5,838.62-1,119.08

Finding the Fourth Proportional to 3,892.19, 5,838.62 and 1,119.08

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Solution

The fourth proportional to 3,892.19, 5,838.62 and 1,119.08 is: 1,678.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.19 : 5,838.62 = 1,119.08 : x
  2. Step 2: Convert to fraction form
    3,892.19/5,838.62 = 1,119.08/x
  3. Step 3: Cross multiply
    3,892.19x = 5,838.62 × 1,119.08
  4. Step 4: Simplify right side
    3,892.19x = 6,533,891.87
  5. Step 5: Solve for x
    x = 6,533,891.87/3,892.19
  6. Step 6: Final answer
    x = 1,678.72

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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.