Home / 3,625.75-5,439.44-1,317.25

Finding the Fourth Proportional to 3,625.75, 5,439.44 and 1,317.25

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Solution

The fourth proportional to 3,625.75, 5,439.44 and 1,317.25 is: 1,976.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.75 : 5,439.44 = 1,317.25 : x
  2. Step 2: Convert to fraction form
    3,625.75/5,439.44 = 1,317.25/x
  3. Step 3: Cross multiply
    3,625.75x = 5,439.44 × 1,317.25
  4. Step 4: Simplify right side
    3,625.75x = 7,165,102.34
  5. Step 5: Solve for x
    x = 7,165,102.34/3,625.75
  6. Step 6: Final answer
    x = 1,976.17

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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.