Home / 1,549.14-2,137.86-850.50

Finding the Fourth Proportional to 1,549.14, 2,137.86 and 850.50

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Solution

The fourth proportional to 1,549.14, 2,137.86 and 850.50 is: 1,173.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.14 : 2,137.86 = 850.50 : x
  2. Step 2: Convert to fraction form
    1,549.14/2,137.86 = 850.50/x
  3. Step 3: Cross multiply
    1,549.14x = 2,137.86 × 850.50
  4. Step 4: Simplify right side
    1,549.14x = 1,818,249.93
  5. Step 5: Solve for x
    x = 1,818,249.93/1,549.14
  6. Step 6: Final answer
    x = 1,173.72

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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.