Home / 3,744.24-5,167.56-2,811.12

Finding the Fourth Proportional to 3,744.24, 5,167.56 and 2,811.12

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Solution

The fourth proportional to 3,744.24, 5,167.56 and 2,811.12 is: 3,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.24 : 5,167.56 = 2,811.12 : x
  2. Step 2: Convert to fraction form
    3,744.24/5,167.56 = 2,811.12/x
  3. Step 3: Cross multiply
    3,744.24x = 5,167.56 × 2,811.12
  4. Step 4: Simplify right side
    3,744.24x = 14,526,631.27
  5. Step 5: Solve for x
    x = 14,526,631.27/3,744.24
  6. Step 6: Final answer
    x = 3,879.73

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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.