Home / 1,766.27-2,649.85-1,247.29

Finding the Fourth Proportional to 1,766.27, 2,649.85 and 1,247.29

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Solution

The fourth proportional to 1,766.27, 2,649.85 and 1,247.29 is: 1,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.27 : 2,649.85 = 1,247.29 : x
  2. Step 2: Convert to fraction form
    1,766.27/2,649.85 = 1,247.29/x
  3. Step 3: Cross multiply
    1,766.27x = 2,649.85 × 1,247.29
  4. Step 4: Simplify right side
    1,766.27x = 3,305,131.41
  5. Step 5: Solve for x
    x = 3,305,131.41/1,766.27
  6. Step 6: Final answer
    x = 1,871.25

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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.