Home / 3,876.70-5,811.78-2,703.25

Finding the Fourth Proportional to 3,876.70, 5,811.78 and 2,703.25

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Solution

The fourth proportional to 3,876.70, 5,811.78 and 2,703.25 is: 4,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.70 : 5,811.78 = 2,703.25 : x
  2. Step 2: Convert to fraction form
    3,876.70/5,811.78 = 2,703.25/x
  3. Step 3: Cross multiply
    3,876.70x = 5,811.78 × 2,703.25
  4. Step 4: Simplify right side
    3,876.70x = 15,710,694.29
  5. Step 5: Solve for x
    x = 15,710,694.29/3,876.70
  6. Step 6: Final answer
    x = 4,052.59

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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.