Home / 4,171.79-5,757.20-2,379.23

Finding the Fourth Proportional to 4,171.79, 5,757.20 and 2,379.23

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Solution

The fourth proportional to 4,171.79, 5,757.20 and 2,379.23 is: 3,283.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.79 : 5,757.20 = 2,379.23 : x
  2. Step 2: Convert to fraction form
    4,171.79/5,757.20 = 2,379.23/x
  3. Step 3: Cross multiply
    4,171.79x = 5,757.20 × 2,379.23
  4. Step 4: Simplify right side
    4,171.79x = 13,697,662.27
  5. Step 5: Solve for x
    x = 13,697,662.27/4,171.79
  6. Step 6: Final answer
    x = 3,283.41

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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.