Home / 3,285.28-4,922.43-2,309.63

Finding the Fourth Proportional to 3,285.28, 4,922.43 and 2,309.63

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Solution

The fourth proportional to 3,285.28, 4,922.43 and 2,309.63 is: 3,460.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.28 : 4,922.43 = 2,309.63 : x
  2. Step 2: Convert to fraction form
    3,285.28/4,922.43 = 2,309.63/x
  3. Step 3: Cross multiply
    3,285.28x = 4,922.43 × 2,309.63
  4. Step 4: Simplify right side
    3,285.28x = 11,368,992.00
  5. Step 5: Solve for x
    x = 11,368,992.00/3,285.28
  6. Step 6: Final answer
    x = 3,460.59

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1.5x scale

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.