Home / 3,972.73-5,479.89-2,558.26

Finding the Fourth Proportional to 3,972.73, 5,479.89 and 2,558.26

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Solution

The fourth proportional to 3,972.73, 5,479.89 and 2,558.26 is: 3,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.73 : 5,479.89 = 2,558.26 : x
  2. Step 2: Convert to fraction form
    3,972.73/5,479.89 = 2,558.26/x
  3. Step 3: Cross multiply
    3,972.73x = 5,479.89 × 2,558.26
  4. Step 4: Simplify right side
    3,972.73x = 14,018,983.39
  5. Step 5: Solve for x
    x = 14,018,983.39/3,972.73
  6. Step 6: Final answer
    x = 3,528.80

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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.