Home / 3,744.09-5,165.60-2,171.79

Finding the Fourth Proportional to 3,744.09, 5,165.60 and 2,171.79

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Solution

The fourth proportional to 3,744.09, 5,165.60 and 2,171.79 is: 2,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.09 : 5,165.60 = 2,171.79 : x
  2. Step 2: Convert to fraction form
    3,744.09/5,165.60 = 2,171.79/x
  3. Step 3: Cross multiply
    3,744.09x = 5,165.60 × 2,171.79
  4. Step 4: Simplify right side
    3,744.09x = 11,218,587.57
  5. Step 5: Solve for x
    x = 11,218,587.57/3,744.09
  6. Step 6: Final answer
    x = 2,996.35

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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.