Home / 3,829.13-5,284.60-2,431.88

Finding the Fourth Proportional to 3,829.13, 5,284.60 and 2,431.88

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Solution

The fourth proportional to 3,829.13, 5,284.60 and 2,431.88 is: 3,356.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.13 : 5,284.60 = 2,431.88 : x
  2. Step 2: Convert to fraction form
    3,829.13/5,284.60 = 2,431.88/x
  3. Step 3: Cross multiply
    3,829.13x = 5,284.60 × 2,431.88
  4. Step 4: Simplify right side
    3,829.13x = 12,851,513.05
  5. Step 5: Solve for x
    x = 12,851,513.05/3,829.13
  6. Step 6: Final answer
    x = 3,356.25

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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.