Home / 3,960.33-5,464.63-2,281.81

Finding the Fourth Proportional to 3,960.33, 5,464.63 and 2,281.81

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Solution

The fourth proportional to 3,960.33, 5,464.63 and 2,281.81 is: 3,148.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.33 : 5,464.63 = 2,281.81 : x
  2. Step 2: Convert to fraction form
    3,960.33/5,464.63 = 2,281.81/x
  3. Step 3: Cross multiply
    3,960.33x = 5,464.63 × 2,281.81
  4. Step 4: Simplify right side
    3,960.33x = 12,469,247.38
  5. Step 5: Solve for x
    x = 12,469,247.38/3,960.33
  6. Step 6: Final answer
    x = 3,148.54

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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.