Home / 3,727.54-5,140.83-3,169.81

Finding the Fourth Proportional to 3,727.54, 5,140.83 and 3,169.81

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Solution

The fourth proportional to 3,727.54, 5,140.83 and 3,169.81 is: 4,371.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.54 : 5,140.83 = 3,169.81 : x
  2. Step 2: Convert to fraction form
    3,727.54/5,140.83 = 3,169.81/x
  3. Step 3: Cross multiply
    3,727.54x = 5,140.83 × 3,169.81
  4. Step 4: Simplify right side
    3,727.54x = 16,295,454.34
  5. Step 5: Solve for x
    x = 16,295,454.34/3,727.54
  6. Step 6: Final answer
    x = 4,371.64

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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.