Home / 2,755.25-4,134.93-2,137.42

Finding the Fourth Proportional to 2,755.25, 4,134.93 and 2,137.42

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Solution

The fourth proportional to 2,755.25, 4,134.93 and 2,137.42 is: 3,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.25 : 4,134.93 = 2,137.42 : x
  2. Step 2: Convert to fraction form
    2,755.25/4,134.93 = 2,137.42/x
  3. Step 3: Cross multiply
    2,755.25x = 4,134.93 × 2,137.42
  4. Step 4: Simplify right side
    2,755.25x = 8,838,082.08
  5. Step 5: Solve for x
    x = 8,838,082.08/2,755.25
  6. Step 6: Final answer
    x = 3,207.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.