Home / 3,976.98-5,487.38-2,701.30

Finding the Fourth Proportional to 3,976.98, 5,487.38 and 2,701.30

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Solution

The fourth proportional to 3,976.98, 5,487.38 and 2,701.30 is: 3,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.98 : 5,487.38 = 2,701.30 : x
  2. Step 2: Convert to fraction form
    3,976.98/5,487.38 = 2,701.30/x
  3. Step 3: Cross multiply
    3,976.98x = 5,487.38 × 2,701.30
  4. Step 4: Simplify right side
    3,976.98x = 14,823,059.59
  5. Step 5: Solve for x
    x = 14,823,059.59/3,976.98
  6. Step 6: Final answer
    x = 3,727.22

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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.