Home / 2,725.54-4,089.08-1,245.73

Finding the Fourth Proportional to 2,725.54, 4,089.08 and 1,245.73

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Solution

The fourth proportional to 2,725.54, 4,089.08 and 1,245.73 is: 1,868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.54 : 4,089.08 = 1,245.73 : x
  2. Step 2: Convert to fraction form
    2,725.54/4,089.08 = 1,245.73/x
  3. Step 3: Cross multiply
    2,725.54x = 4,089.08 × 1,245.73
  4. Step 4: Simplify right side
    2,725.54x = 5,093,862.95
  5. Step 5: Solve for x
    x = 5,093,862.95/2,725.54
  6. Step 6: Final answer
    x = 1,868.94

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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.