Home / 3,625.80-5,438.88-1,160.76

Finding the Fourth Proportional to 3,625.80, 5,438.88 and 1,160.76

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Solution

The fourth proportional to 3,625.80, 5,438.88 and 1,160.76 is: 1,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.80 : 5,438.88 = 1,160.76 : x
  2. Step 2: Convert to fraction form
    3,625.80/5,438.88 = 1,160.76/x
  3. Step 3: Cross multiply
    3,625.80x = 5,438.88 × 1,160.76
  4. Step 4: Simplify right side
    3,625.80x = 6,313,234.35
  5. Step 5: Solve for x
    x = 6,313,234.35/3,625.80
  6. Step 6: Final answer
    x = 1,741.20

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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.