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Finding the Fourth Proportional to 2,704.56, 3,732.40 and 1,806.72

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Solution

The fourth proportional to 2,704.56, 3,732.40 and 1,806.72 is: 2,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.56 : 3,732.40 = 1,806.72 : x
  2. Step 2: Convert to fraction form
    2,704.56/3,732.40 = 1,806.72/x
  3. Step 3: Cross multiply
    2,704.56x = 3,732.40 × 1,806.72
  4. Step 4: Simplify right side
    2,704.56x = 6,743,401.73
  5. Step 5: Solve for x
    x = 6,743,401.73/2,704.56
  6. Step 6: Final answer
    x = 2,493.35

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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.