Home / 3,809.60-5,717.30-1,962.28

Finding the Fourth Proportional to 3,809.60, 5,717.30 and 1,962.28

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Solution

The fourth proportional to 3,809.60, 5,717.30 and 1,962.28 is: 2,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.60 : 5,717.30 = 1,962.28 : x
  2. Step 2: Convert to fraction form
    3,809.60/5,717.30 = 1,962.28/x
  3. Step 3: Cross multiply
    3,809.60x = 5,717.30 × 1,962.28
  4. Step 4: Simplify right side
    3,809.60x = 11,218,943.44
  5. Step 5: Solve for x
    x = 11,218,943.44/3,809.60
  6. Step 6: Final answer
    x = 2,944.91

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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.