Home / 3,952.67-5,442.19-3,480.23

Finding the Fourth Proportional to 3,952.67, 5,442.19 and 3,480.23

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Solution

The fourth proportional to 3,952.67, 5,442.19 and 3,480.23 is: 4,791.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.67 : 5,442.19 = 3,480.23 : x
  2. Step 2: Convert to fraction form
    3,952.67/5,442.19 = 3,480.23/x
  3. Step 3: Cross multiply
    3,952.67x = 5,442.19 × 3,480.23
  4. Step 4: Simplify right side
    3,952.67x = 18,940,077.81
  5. Step 5: Solve for x
    x = 18,940,077.81/3,952.67
  6. Step 6: Final answer
    x = 4,791.72

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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.