Home / 3,722.76-5,132.96-2,727.68

Finding the Fourth Proportional to 3,722.76, 5,132.96 and 2,727.68

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Solution

The fourth proportional to 3,722.76, 5,132.96 and 2,727.68 is: 3,760.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.76 : 5,132.96 = 2,727.68 : x
  2. Step 2: Convert to fraction form
    3,722.76/5,132.96 = 2,727.68/x
  3. Step 3: Cross multiply
    3,722.76x = 5,132.96 × 2,727.68
  4. Step 4: Simplify right side
    3,722.76x = 14,001,072.33
  5. Step 5: Solve for x
    x = 14,001,072.33/3,722.76
  6. Step 6: Final answer
    x = 3,760.94

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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.