Home / 3,664.39-5,476.46-2,679.28

Finding the Fourth Proportional to 3,664.39, 5,476.46 and 2,679.28

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Solution

The fourth proportional to 3,664.39, 5,476.46 and 2,679.28 is: 4,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.39 : 5,476.46 = 2,679.28 : x
  2. Step 2: Convert to fraction form
    3,664.39/5,476.46 = 2,679.28/x
  3. Step 3: Cross multiply
    3,664.39x = 5,476.46 × 2,679.28
  4. Step 4: Simplify right side
    3,664.39x = 14,672,965.27
  5. Step 5: Solve for x
    x = 14,672,965.27/3,664.39
  6. Step 6: Final answer
    x = 4,004.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.