Home / 3,285.30-4,932.56-3,136.52

Finding the Fourth Proportional to 3,285.30, 4,932.56 and 3,136.52

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Solution

The fourth proportional to 3,285.30, 4,932.56 and 3,136.52 is: 4,709.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.30 : 4,932.56 = 3,136.52 : x
  2. Step 2: Convert to fraction form
    3,285.30/4,932.56 = 3,136.52/x
  3. Step 3: Cross multiply
    3,285.30x = 4,932.56 × 3,136.52
  4. Step 4: Simplify right side
    3,285.30x = 15,471,093.26
  5. Step 5: Solve for x
    x = 15,471,093.26/3,285.30
  6. Step 6: Final answer
    x = 4,709.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.