Home / 3,625.97-5,437.80-1,160.21

Finding the Fourth Proportional to 3,625.97, 5,437.80 and 1,160.21

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Solution

The fourth proportional to 3,625.97, 5,437.80 and 1,160.21 is: 1,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.97 : 5,437.80 = 1,160.21 : x
  2. Step 2: Convert to fraction form
    3,625.97/5,437.80 = 1,160.21/x
  3. Step 3: Cross multiply
    3,625.97x = 5,437.80 × 1,160.21
  4. Step 4: Simplify right side
    3,625.97x = 6,308,989.94
  5. Step 5: Solve for x
    x = 6,308,989.94/3,625.97
  6. Step 6: Final answer
    x = 1,739.95

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1.5x scale

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.