Home / 3,326.12-4,586.30-2,129.54

Finding the Fourth Proportional to 3,326.12, 4,586.30 and 2,129.54

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Solution

The fourth proportional to 3,326.12, 4,586.30 and 2,129.54 is: 2,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.12 : 4,586.30 = 2,129.54 : x
  2. Step 2: Convert to fraction form
    3,326.12/4,586.30 = 2,129.54/x
  3. Step 3: Cross multiply
    3,326.12x = 4,586.30 × 2,129.54
  4. Step 4: Simplify right side
    3,326.12x = 9,766,709.30
  5. Step 5: Solve for x
    x = 9,766,709.30/3,326.12
  6. Step 6: Final answer
    x = 2,936.37

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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.