Home / 3,991.50-5,508.27-2,751.66

Finding the Fourth Proportional to 3,991.50, 5,508.27 and 2,751.66

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Solution

The fourth proportional to 3,991.50, 5,508.27 and 2,751.66 is: 3,797.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991.50 : 5,508.27 = 2,751.66 : x
  2. Step 2: Convert to fraction form
    3,991.50/5,508.27 = 2,751.66/x
  3. Step 3: Cross multiply
    3,991.50x = 5,508.27 × 2,751.66
  4. Step 4: Simplify right side
    3,991.50x = 15,156,886.23
  5. Step 5: Solve for x
    x = 15,156,886.23/3,991.50
  6. Step 6: Final answer
    x = 3,797.29

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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.