Home / 1,757.27-2,636.06-717.35

Finding the Fourth Proportional to 1,757.27, 2,636.06 and 717.35

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Solution

The fourth proportional to 1,757.27, 2,636.06 and 717.35 is: 1,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.27 : 2,636.06 = 717.35 : x
  2. Step 2: Convert to fraction form
    1,757.27/2,636.06 = 717.35/x
  3. Step 3: Cross multiply
    1,757.27x = 2,636.06 × 717.35
  4. Step 4: Simplify right side
    1,757.27x = 1,890,960.87
  5. Step 5: Solve for x
    x = 1,890,960.87/1,757.27
  6. Step 6: Final answer
    x = 1,076.08

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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.