Home / 1,549.26-2,138.02-850.68

Finding the Fourth Proportional to 1,549.26, 2,138.02 and 850.68

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Solution

The fourth proportional to 1,549.26, 2,138.02 and 850.68 is: 1,173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.26 : 2,138.02 = 850.68 : x
  2. Step 2: Convert to fraction form
    1,549.26/2,138.02 = 850.68/x
  3. Step 3: Cross multiply
    1,549.26x = 2,138.02 × 850.68
  4. Step 4: Simplify right side
    1,549.26x = 1,818,770.85
  5. Step 5: Solve for x
    x = 1,818,770.85/1,549.26
  6. Step 6: Final answer
    x = 1,173.96

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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.