Home / 3,625.88-5,438.70-1,160.66

Finding the Fourth Proportional to 3,625.88, 5,438.70 and 1,160.66

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Solution

The fourth proportional to 3,625.88, 5,438.70 and 1,160.66 is: 1,740.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.88 : 5,438.70 = 1,160.66 : x
  2. Step 2: Convert to fraction form
    3,625.88/5,438.70 = 1,160.66/x
  3. Step 3: Cross multiply
    3,625.88x = 5,438.70 × 1,160.66
  4. Step 4: Simplify right side
    3,625.88x = 6,312,481.54
  5. Step 5: Solve for x
    x = 6,312,481.54/3,625.88
  6. Step 6: Final answer
    x = 1,740.95

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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.