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Finding the Fourth Proportional to 2,576.22, 3,864.12 and 844.68

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Solution

The fourth proportional to 2,576.22, 3,864.12 and 844.68 is: 1,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.22 : 3,864.12 = 844.68 : x
  2. Step 2: Convert to fraction form
    2,576.22/3,864.12 = 844.68/x
  3. Step 3: Cross multiply
    2,576.22x = 3,864.12 × 844.68
  4. Step 4: Simplify right side
    2,576.22x = 3,263,944.88
  5. Step 5: Solve for x
    x = 3,263,944.88/2,576.22
  6. Step 6: Final answer
    x = 1,266.95

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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.