Home / 3,826.50-5,279.21-2,500.97

Finding the Fourth Proportional to 3,826.50, 5,279.21 and 2,500.97

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Solution

The fourth proportional to 3,826.50, 5,279.21 and 2,500.97 is: 3,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.50 : 5,279.21 = 2,500.97 : x
  2. Step 2: Convert to fraction form
    3,826.50/5,279.21 = 2,500.97/x
  3. Step 3: Cross multiply
    3,826.50x = 5,279.21 × 2,500.97
  4. Step 4: Simplify right side
    3,826.50x = 13,203,160.07
  5. Step 5: Solve for x
    x = 13,203,160.07/3,826.50
  6. Step 6: Final answer
    x = 3,450.45

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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.