Home / 1,548.69-2,137.20-850.07

Finding the Fourth Proportional to 1,548.69, 2,137.20 and 850.07

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Solution

The fourth proportional to 1,548.69, 2,137.20 and 850.07 is: 1,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.69 : 2,137.20 = 850.07 : x
  2. Step 2: Convert to fraction form
    1,548.69/2,137.20 = 850.07/x
  3. Step 3: Cross multiply
    1,548.69x = 2,137.20 × 850.07
  4. Step 4: Simplify right side
    1,548.69x = 1,816,769.60
  5. Step 5: Solve for x
    x = 1,816,769.60/1,548.69
  6. Step 6: Final answer
    x = 1,173.10

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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.