Home / 3,410.88-5,116.31-1,360.32

Finding the Fourth Proportional to 3,410.88, 5,116.31 and 1,360.32

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Solution

The fourth proportional to 3,410.88, 5,116.31 and 1,360.32 is: 2,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.88 : 5,116.31 = 1,360.32 : x
  2. Step 2: Convert to fraction form
    3,410.88/5,116.31 = 1,360.32/x
  3. Step 3: Cross multiply
    3,410.88x = 5,116.31 × 1,360.32
  4. Step 4: Simplify right side
    3,410.88x = 6,959,796.64
  5. Step 5: Solve for x
    x = 6,959,796.64/3,410.88
  6. Step 6: Final answer
    x = 2,040.47

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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.