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Finding the Fourth Proportional to 1,732.59, 2,599.09 and 636.96

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Solution

The fourth proportional to 1,732.59, 2,599.09 and 636.96 is: 955.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.59 : 2,599.09 = 636.96 : x
  2. Step 2: Convert to fraction form
    1,732.59/2,599.09 = 636.96/x
  3. Step 3: Cross multiply
    1,732.59x = 2,599.09 × 636.96
  4. Step 4: Simplify right side
    1,732.59x = 1,655,516.37
  5. Step 5: Solve for x
    x = 1,655,516.37/1,732.59
  6. Step 6: Final answer
    x = 955.52

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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.