Home / 3,829.64-5,286.91-2,577.28

Finding the Fourth Proportional to 3,829.64, 5,286.91 and 2,577.28

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Solution

The fourth proportional to 3,829.64, 5,286.91 and 2,577.28 is: 3,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.64 : 5,286.91 = 2,577.28 : x
  2. Step 2: Convert to fraction form
    3,829.64/5,286.91 = 2,577.28/x
  3. Step 3: Cross multiply
    3,829.64x = 5,286.91 × 2,577.28
  4. Step 4: Simplify right side
    3,829.64x = 13,625,847.40
  5. Step 5: Solve for x
    x = 13,625,847.40/3,829.64
  6. Step 6: Final answer
    x = 3,558.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.