Home / 3,287.43-4,933.58-2,645.91

Finding the Fourth Proportional to 3,287.43, 4,933.58 and 2,645.91

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Solution

The fourth proportional to 3,287.43, 4,933.58 and 2,645.91 is: 3,970.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.43 : 4,933.58 = 2,645.91 : x
  2. Step 2: Convert to fraction form
    3,287.43/4,933.58 = 2,645.91/x
  3. Step 3: Cross multiply
    3,287.43x = 4,933.58 × 2,645.91
  4. Step 4: Simplify right side
    3,287.43x = 13,053,795.43
  5. Step 5: Solve for x
    x = 13,053,795.43/3,287.43
  6. Step 6: Final answer
    x = 3,970.82

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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.