Home / 3,892.15-5,838.63-1,295.11

Finding the Fourth Proportional to 3,892.15, 5,838.63 and 1,295.11

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Solution

The fourth proportional to 3,892.15, 5,838.63 and 1,295.11 is: 1,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.15 : 5,838.63 = 1,295.11 : x
  2. Step 2: Convert to fraction form
    3,892.15/5,838.63 = 1,295.11/x
  3. Step 3: Cross multiply
    3,892.15x = 5,838.63 × 1,295.11
  4. Step 4: Simplify right side
    3,892.15x = 7,561,668.10
  5. Step 5: Solve for x
    x = 7,561,668.10/3,892.15
  6. Step 6: Final answer
    x = 1,942.80

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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.