Home / 3,625.31-5,438.65-1,159.47

Finding the Fourth Proportional to 3,625.31, 5,438.65 and 1,159.47

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Solution

The fourth proportional to 3,625.31, 5,438.65 and 1,159.47 is: 1,739.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.31 : 5,438.65 = 1,159.47 : x
  2. Step 2: Convert to fraction form
    3,625.31/5,438.65 = 1,159.47/x
  3. Step 3: Cross multiply
    3,625.31x = 5,438.65 × 1,159.47
  4. Step 4: Simplify right side
    3,625.31x = 6,305,954.41
  5. Step 5: Solve for x
    x = 6,305,954.41/3,625.31
  6. Step 6: Final answer
    x = 1,739.42

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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.