Home / 3,829.13-5,284.48-2,150.64

Finding the Fourth Proportional to 3,829.13, 5,284.48 and 2,150.64

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Solution

The fourth proportional to 3,829.13, 5,284.48 and 2,150.64 is: 2,968.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.13 : 5,284.48 = 2,150.64 : x
  2. Step 2: Convert to fraction form
    3,829.13/5,284.48 = 2,150.64/x
  3. Step 3: Cross multiply
    3,829.13x = 5,284.48 × 2,150.64
  4. Step 4: Simplify right side
    3,829.13x = 11,364,988.87
  5. Step 5: Solve for x
    x = 11,364,988.87/3,829.13
  6. Step 6: Final answer
    x = 2,968.04

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1.5x scale

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.