Home / 3,217.72-4,827.29-1,831.71

Finding the Fourth Proportional to 3,217.72, 4,827.29 and 1,831.71

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Solution

The fourth proportional to 3,217.72, 4,827.29 and 1,831.71 is: 2,747.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.72 : 4,827.29 = 1,831.71 : x
  2. Step 2: Convert to fraction form
    3,217.72/4,827.29 = 1,831.71/x
  3. Step 3: Cross multiply
    3,217.72x = 4,827.29 × 1,831.71
  4. Step 4: Simplify right side
    3,217.72x = 8,842,174.14
  5. Step 5: Solve for x
    x = 8,842,174.14/3,217.72
  6. Step 6: Final answer
    x = 2,747.96

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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.