Home / 3,892.13-5,838.82-1,260.29

Finding the Fourth Proportional to 3,892.13, 5,838.82 and 1,260.29

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Solution

The fourth proportional to 3,892.13, 5,838.82 and 1,260.29 is: 1,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.13 : 5,838.82 = 1,260.29 : x
  2. Step 2: Convert to fraction form
    3,892.13/5,838.82 = 1,260.29/x
  3. Step 3: Cross multiply
    3,892.13x = 5,838.82 × 1,260.29
  4. Step 4: Simplify right side
    3,892.13x = 7,358,617.90
  5. Step 5: Solve for x
    x = 7,358,617.90/3,892.13
  6. Step 6: Final answer
    x = 1,890.64

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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.