Home / 3,217.28-4,826.63-1,831.27

Finding the Fourth Proportional to 3,217.28, 4,826.63 and 1,831.27

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Solution

The fourth proportional to 3,217.28, 4,826.63 and 1,831.27 is: 2,747.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.28 : 4,826.63 = 1,831.27 : x
  2. Step 2: Convert to fraction form
    3,217.28/4,826.63 = 1,831.27/x
  3. Step 3: Cross multiply
    3,217.28x = 4,826.63 × 1,831.27
  4. Step 4: Simplify right side
    3,217.28x = 8,838,862.72
  5. Step 5: Solve for x
    x = 8,838,862.72/3,217.28
  6. Step 6: Final answer
    x = 2,747.31

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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.