Home / 3,738.44-5,159.50-2,166.60

Finding the Fourth Proportional to 3,738.44, 5,159.50 and 2,166.60

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Solution

The fourth proportional to 3,738.44, 5,159.50 and 2,166.60 is: 2,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.44 : 5,159.50 = 2,166.60 : x
  2. Step 2: Convert to fraction form
    3,738.44/5,159.50 = 2,166.60/x
  3. Step 3: Cross multiply
    3,738.44x = 5,159.50 × 2,166.60
  4. Step 4: Simplify right side
    3,738.44x = 11,178,572.70
  5. Step 5: Solve for x
    x = 11,178,572.70/3,738.44
  6. Step 6: Final answer
    x = 2,990.17

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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.