Home / 3,415.38-5,122.77-950.25

Finding the Fourth Proportional to 3,415.38, 5,122.77 and 950.25

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Solution

The fourth proportional to 3,415.38, 5,122.77 and 950.25 is: 1,425.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.38 : 5,122.77 = 950.25 : x
  2. Step 2: Convert to fraction form
    3,415.38/5,122.77 = 950.25/x
  3. Step 3: Cross multiply
    3,415.38x = 5,122.77 × 950.25
  4. Step 4: Simplify right side
    3,415.38x = 4,867,912.19
  5. Step 5: Solve for x
    x = 4,867,912.19/3,415.38
  6. Step 6: Final answer
    x = 1,425.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.