Home / 4,171.98-5,755.70-2,679.69

Finding the Fourth Proportional to 4,171.98, 5,755.70 and 2,679.69

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Solution

The fourth proportional to 4,171.98, 5,755.70 and 2,679.69 is: 3,696.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.98 : 5,755.70 = 2,679.69 : x
  2. Step 2: Convert to fraction form
    4,171.98/5,755.70 = 2,679.69/x
  3. Step 3: Cross multiply
    4,171.98x = 5,755.70 × 2,679.69
  4. Step 4: Simplify right side
    4,171.98x = 15,423,478.33
  5. Step 5: Solve for x
    x = 15,423,478.33/4,171.98
  6. Step 6: Final answer
    x = 3,696.92

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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.