Home / 3,769.80-5,200.92-2,176.26

Finding the Fourth Proportional to 3,769.80, 5,200.92 and 2,176.26

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Solution

The fourth proportional to 3,769.80, 5,200.92 and 2,176.26 is: 3,002.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.80 : 5,200.92 = 2,176.26 : x
  2. Step 2: Convert to fraction form
    3,769.80/5,200.92 = 2,176.26/x
  3. Step 3: Cross multiply
    3,769.80x = 5,200.92 × 2,176.26
  4. Step 4: Simplify right side
    3,769.80x = 11,318,554.16
  5. Step 5: Solve for x
    x = 11,318,554.16/3,769.80
  6. Step 6: Final answer
    x = 3,002.43

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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.