Home / 1,731.21-2,596.29-635.31

Finding the Fourth Proportional to 1,731.21, 2,596.29 and 635.31

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Solution

The fourth proportional to 1,731.21, 2,596.29 and 635.31 is: 952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.21 : 2,596.29 = 635.31 : x
  2. Step 2: Convert to fraction form
    1,731.21/2,596.29 = 635.31/x
  3. Step 3: Cross multiply
    1,731.21x = 2,596.29 × 635.31
  4. Step 4: Simplify right side
    1,731.21x = 1,649,449.00
  5. Step 5: Solve for x
    x = 1,649,449.00/1,731.21
  6. Step 6: Final answer
    x = 952.77

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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.