Home / 3,392.70-5,084.73-2,619.42

Finding the Fourth Proportional to 3,392.70, 5,084.73 and 2,619.42

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Solution

The fourth proportional to 3,392.70, 5,084.73 and 2,619.42 is: 3,925.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.70 : 5,084.73 = 2,619.42 : x
  2. Step 2: Convert to fraction form
    3,392.70/5,084.73 = 2,619.42/x
  3. Step 3: Cross multiply
    3,392.70x = 5,084.73 × 2,619.42
  4. Step 4: Simplify right side
    3,392.70x = 13,319,043.46
  5. Step 5: Solve for x
    x = 13,319,043.46/3,392.70
  6. Step 6: Final answer
    x = 3,925.79

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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.