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Finding the Fourth Proportional to 2,674.60, 4,011.91 and 726.82

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Solution

The fourth proportional to 2,674.60, 4,011.91 and 726.82 is: 1,090.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.60 : 4,011.91 = 726.82 : x
  2. Step 2: Convert to fraction form
    2,674.60/4,011.91 = 726.82/x
  3. Step 3: Cross multiply
    2,674.60x = 4,011.91 × 726.82
  4. Step 4: Simplify right side
    2,674.60x = 2,915,924.58
  5. Step 5: Solve for x
    x = 2,915,924.58/2,674.60
  6. Step 6: Final answer
    x = 1,090.23

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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.