Home / 3,217.85-4,827.48-1,831.83

Finding the Fourth Proportional to 3,217.85, 4,827.48 and 1,831.83

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Solution

The fourth proportional to 3,217.85, 4,827.48 and 1,831.83 is: 2,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.85 : 4,827.48 = 1,831.83 : x
  2. Step 2: Convert to fraction form
    3,217.85/4,827.48 = 1,831.83/x
  3. Step 3: Cross multiply
    3,217.85x = 4,827.48 × 1,831.83
  4. Step 4: Simplify right side
    3,217.85x = 8,843,113.53
  5. Step 5: Solve for x
    x = 8,843,113.53/3,217.85
  6. Step 6: Final answer
    x = 2,748.15

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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.