Home / 1,649.94-2,474.91-1,131.27

Finding the Fourth Proportional to 1,649.94, 2,474.91 and 1,131.27

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Solution

The fourth proportional to 1,649.94, 2,474.91 and 1,131.27 is: 1,696.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.94 : 2,474.91 = 1,131.27 : x
  2. Step 2: Convert to fraction form
    1,649.94/2,474.91 = 1,131.27/x
  3. Step 3: Cross multiply
    1,649.94x = 2,474.91 × 1,131.27
  4. Step 4: Simplify right side
    1,649.94x = 2,799,791.44
  5. Step 5: Solve for x
    x = 2,799,791.44/1,649.94
  6. Step 6: Final answer
    x = 1,696.91

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1.5x scale

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.