Home / 3,173.62-4,379.76-1,757.30

Finding the Fourth Proportional to 3,173.62, 4,379.76 and 1,757.30

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Solution

The fourth proportional to 3,173.62, 4,379.76 and 1,757.30 is: 2,425.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.62 : 4,379.76 = 1,757.30 : x
  2. Step 2: Convert to fraction form
    3,173.62/4,379.76 = 1,757.30/x
  3. Step 3: Cross multiply
    3,173.62x = 4,379.76 × 1,757.30
  4. Step 4: Simplify right side
    3,173.62x = 7,696,552.25
  5. Step 5: Solve for x
    x = 7,696,552.25/3,173.62
  6. Step 6: Final answer
    x = 2,425.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.