Home / 1,731.27-2,595.36-635.38

Finding the Fourth Proportional to 1,731.27, 2,595.36 and 635.38

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Solution

The fourth proportional to 1,731.27, 2,595.36 and 635.38 is: 952.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.27 : 2,595.36 = 635.38 : x
  2. Step 2: Convert to fraction form
    1,731.27/2,595.36 = 635.38/x
  3. Step 3: Cross multiply
    1,731.27x = 2,595.36 × 635.38
  4. Step 4: Simplify right side
    1,731.27x = 1,649,039.84
  5. Step 5: Solve for x
    x = 1,649,039.84/1,731.27
  6. Step 6: Final answer
    x = 952.50

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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.