Home / 2,644.62-3,961.64-1,259.30

Finding the Fourth Proportional to 2,644.62, 3,961.64 and 1,259.30

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Solution

The fourth proportional to 2,644.62, 3,961.64 and 1,259.30 is: 1,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.62 : 3,961.64 = 1,259.30 : x
  2. Step 2: Convert to fraction form
    2,644.62/3,961.64 = 1,259.30/x
  3. Step 3: Cross multiply
    2,644.62x = 3,961.64 × 1,259.30
  4. Step 4: Simplify right side
    2,644.62x = 4,988,893.25
  5. Step 5: Solve for x
    x = 4,988,893.25/2,644.62
  6. Step 6: Final answer
    x = 1,886.43

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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.