Home / 1,727.42-2,601.29-1,243.86

Finding the Fourth Proportional to 1,727.42, 2,601.29 and 1,243.86

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Solution

The fourth proportional to 1,727.42, 2,601.29 and 1,243.86 is: 1,873.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.42 : 2,601.29 = 1,243.86 : x
  2. Step 2: Convert to fraction form
    1,727.42/2,601.29 = 1,243.86/x
  3. Step 3: Cross multiply
    1,727.42x = 2,601.29 × 1,243.86
  4. Step 4: Simplify right side
    1,727.42x = 3,235,640.58
  5. Step 5: Solve for x
    x = 3,235,640.58/1,727.42
  6. Step 6: Final answer
    x = 1,873.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.