Home / 3,892.26-5,838.24-1,118.92

Finding the Fourth Proportional to 3,892.26, 5,838.24 and 1,118.92

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Solution

The fourth proportional to 3,892.26, 5,838.24 and 1,118.92 is: 1,678.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.26 : 5,838.24 = 1,118.92 : x
  2. Step 2: Convert to fraction form
    3,892.26/5,838.24 = 1,118.92/x
  3. Step 3: Cross multiply
    3,892.26x = 5,838.24 × 1,118.92
  4. Step 4: Simplify right side
    3,892.26x = 6,532,517.91
  5. Step 5: Solve for x
    x = 6,532,517.91/3,892.26
  6. Step 6: Final answer
    x = 1,678.34

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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.