Home / 1,743.97-2,617.26-1,220.53

Finding the Fourth Proportional to 1,743.97, 2,617.26 and 1,220.53

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Solution

The fourth proportional to 1,743.97, 2,617.26 and 1,220.53 is: 1,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.97 : 2,617.26 = 1,220.53 : x
  2. Step 2: Convert to fraction form
    1,743.97/2,617.26 = 1,220.53/x
  3. Step 3: Cross multiply
    1,743.97x = 2,617.26 × 1,220.53
  4. Step 4: Simplify right side
    1,743.97x = 3,194,444.35
  5. Step 5: Solve for x
    x = 3,194,444.35/1,743.97
  6. Step 6: Final answer
    x = 1,831.71

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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.