Home / 3,829.09-5,282.98-2,150.32

Finding the Fourth Proportional to 3,829.09, 5,282.98 and 2,150.32

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Solution

The fourth proportional to 3,829.09, 5,282.98 and 2,150.32 is: 2,966.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.09 : 5,282.98 = 2,150.32 : x
  2. Step 2: Convert to fraction form
    3,829.09/5,282.98 = 2,150.32/x
  3. Step 3: Cross multiply
    3,829.09x = 5,282.98 × 2,150.32
  4. Step 4: Simplify right side
    3,829.09x = 11,360,097.55
  5. Step 5: Solve for x
    x = 11,360,097.55/3,829.09
  6. Step 6: Final answer
    x = 2,966.79

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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.