Home / 2,476.90-3,422.44-1,949.96

Finding the Fourth Proportional to 2,476.90, 3,422.44 and 1,949.96

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Solution

The fourth proportional to 2,476.90, 3,422.44 and 1,949.96 is: 2,694.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.90 : 3,422.44 = 1,949.96 : x
  2. Step 2: Convert to fraction form
    2,476.90/3,422.44 = 1,949.96/x
  3. Step 3: Cross multiply
    2,476.90x = 3,422.44 × 1,949.96
  4. Step 4: Simplify right side
    2,476.90x = 6,673,621.10
  5. Step 5: Solve for x
    x = 6,673,621.10/2,476.90
  6. Step 6: Final answer
    x = 2,694.34

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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.