Home / 1,549.16-2,137.86-850.54

Finding the Fourth Proportional to 1,549.16, 2,137.86 and 850.54

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Solution

The fourth proportional to 1,549.16, 2,137.86 and 850.54 is: 1,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.16 : 2,137.86 = 850.54 : x
  2. Step 2: Convert to fraction form
    1,549.16/2,137.86 = 850.54/x
  3. Step 3: Cross multiply
    1,549.16x = 2,137.86 × 850.54
  4. Step 4: Simplify right side
    1,549.16x = 1,818,335.44
  5. Step 5: Solve for x
    x = 1,818,335.44/1,549.16
  6. Step 6: Final answer
    x = 1,173.76

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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.