Home / 3,644.28-5,458.20-1,692.38

Finding the Fourth Proportional to 3,644.28, 5,458.20 and 1,692.38

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Solution

The fourth proportional to 3,644.28, 5,458.20 and 1,692.38 is: 2,534.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.28 : 5,458.20 = 1,692.38 : x
  2. Step 2: Convert to fraction form
    3,644.28/5,458.20 = 1,692.38/x
  3. Step 3: Cross multiply
    3,644.28x = 5,458.20 × 1,692.38
  4. Step 4: Simplify right side
    3,644.28x = 9,237,321.23
  5. Step 5: Solve for x
    x = 9,237,321.23/3,644.28
  6. Step 6: Final answer
    x = 2,534.75

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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.