Home / 3,932.83-5,426.85-2,164.33

Finding the Fourth Proportional to 3,932.83, 5,426.85 and 2,164.33

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Solution

The fourth proportional to 3,932.83, 5,426.85 and 2,164.33 is: 2,986.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.83 : 5,426.85 = 2,164.33 : x
  2. Step 2: Convert to fraction form
    3,932.83/5,426.85 = 2,164.33/x
  3. Step 3: Cross multiply
    3,932.83x = 5,426.85 × 2,164.33
  4. Step 4: Simplify right side
    3,932.83x = 11,745,494.26
  5. Step 5: Solve for x
    x = 11,745,494.26/3,932.83
  6. Step 6: Final answer
    x = 2,986.52

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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.