Home / 3,260.83-4,889.12-2,146.88

Finding the Fourth Proportional to 3,260.83, 4,889.12 and 2,146.88

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Solution

The fourth proportional to 3,260.83, 4,889.12 and 2,146.88 is: 3,218.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.83 : 4,889.12 = 2,146.88 : x
  2. Step 2: Convert to fraction form
    3,260.83/4,889.12 = 2,146.88/x
  3. Step 3: Cross multiply
    3,260.83x = 4,889.12 × 2,146.88
  4. Step 4: Simplify right side
    3,260.83x = 10,496,341.31
  5. Step 5: Solve for x
    x = 10,496,341.31/3,260.83
  6. Step 6: Final answer
    x = 3,218.91

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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.