Home / 3,876.06-5,348.88-2,107.65

Finding the Fourth Proportional to 3,876.06, 5,348.88 and 2,107.65

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Solution

The fourth proportional to 3,876.06, 5,348.88 and 2,107.65 is: 2,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.06 : 5,348.88 = 2,107.65 : x
  2. Step 2: Convert to fraction form
    3,876.06/5,348.88 = 2,107.65/x
  3. Step 3: Cross multiply
    3,876.06x = 5,348.88 × 2,107.65
  4. Step 4: Simplify right side
    3,876.06x = 11,273,566.93
  5. Step 5: Solve for x
    x = 11,273,566.93/3,876.06
  6. Step 6: Final answer
    x = 2,908.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.