Home / 1,548.75-2,137.41-850.26

Finding the Fourth Proportional to 1,548.75, 2,137.41 and 850.26

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Solution

The fourth proportional to 1,548.75, 2,137.41 and 850.26 is: 1,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.75 : 2,137.41 = 850.26 : x
  2. Step 2: Convert to fraction form
    1,548.75/2,137.41 = 850.26/x
  3. Step 3: Cross multiply
    1,548.75x = 2,137.41 × 850.26
  4. Step 4: Simplify right side
    1,548.75x = 1,817,354.23
  5. Step 5: Solve for x
    x = 1,817,354.23/1,548.75
  6. Step 6: Final answer
    x = 1,173.43

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1.5x scale

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.