Home / 3,838.08-5,751.65-1,891.65

Finding the Fourth Proportional to 3,838.08, 5,751.65 and 1,891.65

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Solution

The fourth proportional to 3,838.08, 5,751.65 and 1,891.65 is: 2,834.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.08 : 5,751.65 = 1,891.65 : x
  2. Step 2: Convert to fraction form
    3,838.08/5,751.65 = 1,891.65/x
  3. Step 3: Cross multiply
    3,838.08x = 5,751.65 × 1,891.65
  4. Step 4: Simplify right side
    3,838.08x = 10,880,099.26
  5. Step 5: Solve for x
    x = 10,880,099.26/3,838.08
  6. Step 6: Final answer
    x = 2,834.78

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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.