Home / 4,171.62-5,757.48-2,379.11

Finding the Fourth Proportional to 4,171.62, 5,757.48 and 2,379.11

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Solution

The fourth proportional to 4,171.62, 5,757.48 and 2,379.11 is: 3,283.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.62 : 5,757.48 = 2,379.11 : x
  2. Step 2: Convert to fraction form
    4,171.62/5,757.48 = 2,379.11/x
  3. Step 3: Cross multiply
    4,171.62x = 5,757.48 × 2,379.11
  4. Step 4: Simplify right side
    4,171.62x = 13,697,649.46
  5. Step 5: Solve for x
    x = 13,697,649.46/4,171.62
  6. Step 6: Final answer
    x = 3,283.53

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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.