Home / 3,217.30-4,824.58-1,831.29

Finding the Fourth Proportional to 3,217.30, 4,824.58 and 1,831.29

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Solution

The fourth proportional to 3,217.30, 4,824.58 and 1,831.29 is: 2,746.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.30 : 4,824.58 = 1,831.29 : x
  2. Step 2: Convert to fraction form
    3,217.30/4,824.58 = 1,831.29/x
  3. Step 3: Cross multiply
    3,217.30x = 4,824.58 × 1,831.29
  4. Step 4: Simplify right side
    3,217.30x = 8,835,205.11
  5. Step 5: Solve for x
    x = 8,835,205.11/3,217.30
  6. Step 6: Final answer
    x = 2,746.16

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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.