Home / 3,736.45-5,604.77-1,139.38

Finding the Fourth Proportional to 3,736.45, 5,604.77 and 1,139.38

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Solution

The fourth proportional to 3,736.45, 5,604.77 and 1,139.38 is: 1,709.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.45 : 5,604.77 = 1,139.38 : x
  2. Step 2: Convert to fraction form
    3,736.45/5,604.77 = 1,139.38/x
  3. Step 3: Cross multiply
    3,736.45x = 5,604.77 × 1,139.38
  4. Step 4: Simplify right side
    3,736.45x = 6,385,929.12
  5. Step 5: Solve for x
    x = 6,385,929.12/3,736.45
  6. Step 6: Final answer
    x = 1,709.09

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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.