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Finding the Fourth Proportional to 2,672.55, 4,010.85 and 1,747.80

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Solution

The fourth proportional to 2,672.55, 4,010.85 and 1,747.80 is: 2,623.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.55 : 4,010.85 = 1,747.80 : x
  2. Step 2: Convert to fraction form
    2,672.55/4,010.85 = 1,747.80/x
  3. Step 3: Cross multiply
    2,672.55x = 4,010.85 × 1,747.80
  4. Step 4: Simplify right side
    2,672.55x = 7,010,163.63
  5. Step 5: Solve for x
    x = 7,010,163.63/2,672.55
  6. Step 6: Final answer
    x = 2,623.02

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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.