Home / 3,618.37-5,428.23-1,644.14

Finding the Fourth Proportional to 3,618.37, 5,428.23 and 1,644.14

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Solution

The fourth proportional to 3,618.37, 5,428.23 and 1,644.14 is: 2,466.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.37 : 5,428.23 = 1,644.14 : x
  2. Step 2: Convert to fraction form
    3,618.37/5,428.23 = 1,644.14/x
  3. Step 3: Cross multiply
    3,618.37x = 5,428.23 × 1,644.14
  4. Step 4: Simplify right side
    3,618.37x = 8,924,770.07
  5. Step 5: Solve for x
    x = 8,924,770.07/3,618.37
  6. Step 6: Final answer
    x = 2,466.52

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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.