Home / 3,752.43-5,178.23-2,073.80

Finding the Fourth Proportional to 3,752.43, 5,178.23 and 2,073.80

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Solution

The fourth proportional to 3,752.43, 5,178.23 and 2,073.80 is: 2,861.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.43 : 5,178.23 = 2,073.80 : x
  2. Step 2: Convert to fraction form
    3,752.43/5,178.23 = 2,073.80/x
  3. Step 3: Cross multiply
    3,752.43x = 5,178.23 × 2,073.80
  4. Step 4: Simplify right side
    3,752.43x = 10,738,623.73
  5. Step 5: Solve for x
    x = 10,738,623.73/3,752.43
  6. Step 6: Final answer
    x = 2,861.78

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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.