Home / 3,146.30-4,332.45-2,481.09

Finding the Fourth Proportional to 3,146.30, 4,332.45 and 2,481.09

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Solution

The fourth proportional to 3,146.30, 4,332.45 and 2,481.09 is: 3,416.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.30 : 4,332.45 = 2,481.09 : x
  2. Step 2: Convert to fraction form
    3,146.30/4,332.45 = 2,481.09/x
  3. Step 3: Cross multiply
    3,146.30x = 4,332.45 × 2,481.09
  4. Step 4: Simplify right side
    3,146.30x = 10,749,198.37
  5. Step 5: Solve for x
    x = 10,749,198.37/3,146.30
  6. Step 6: Final answer
    x = 3,416.46

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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.