Home / 3,738.82-5,159.26-2,167.02

Finding the Fourth Proportional to 3,738.82, 5,159.26 and 2,167.02

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Solution

The fourth proportional to 3,738.82, 5,159.26 and 2,167.02 is: 2,990.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.82 : 5,159.26 = 2,167.02 : x
  2. Step 2: Convert to fraction form
    3,738.82/5,159.26 = 2,167.02/x
  3. Step 3: Cross multiply
    3,738.82x = 5,159.26 × 2,167.02
  4. Step 4: Simplify right side
    3,738.82x = 11,180,219.61
  5. Step 5: Solve for x
    x = 11,180,219.61/3,738.82
  6. Step 6: Final answer
    x = 2,990.31

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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.