Home / 1,733.11-2,600.72-911.97

Finding the Fourth Proportional to 1,733.11, 2,600.72 and 911.97

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Solution

The fourth proportional to 1,733.11, 2,600.72 and 911.97 is: 1,368.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733.11 : 2,600.72 = 911.97 : x
  2. Step 2: Convert to fraction form
    1,733.11/2,600.72 = 911.97/x
  3. Step 3: Cross multiply
    1,733.11x = 2,600.72 × 911.97
  4. Step 4: Simplify right side
    1,733.11x = 2,371,778.62
  5. Step 5: Solve for x
    x = 2,371,778.62/1,733.11
  6. Step 6: Final answer
    x = 1,368.51

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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.