Home / 3,829.72-5,284.35-2,150.89

Finding the Fourth Proportional to 3,829.72, 5,284.35 and 2,150.89

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Solution

The fourth proportional to 3,829.72, 5,284.35 and 2,150.89 is: 2,967.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.72 : 5,284.35 = 2,150.89 : x
  2. Step 2: Convert to fraction form
    3,829.72/5,284.35 = 2,150.89/x
  3. Step 3: Cross multiply
    3,829.72x = 5,284.35 × 2,150.89
  4. Step 4: Simplify right side
    3,829.72x = 11,366,055.57
  5. Step 5: Solve for x
    x = 11,366,055.57/3,829.72
  6. Step 6: Final answer
    x = 2,967.86

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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.