Home / 3,303.18-4,951.29-1,221.86

Finding the Fourth Proportional to 3,303.18, 4,951.29 and 1,221.86

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Solution

The fourth proportional to 3,303.18, 4,951.29 and 1,221.86 is: 1,831.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.18 : 4,951.29 = 1,221.86 : x
  2. Step 2: Convert to fraction form
    3,303.18/4,951.29 = 1,221.86/x
  3. Step 3: Cross multiply
    3,303.18x = 4,951.29 × 1,221.86
  4. Step 4: Simplify right side
    3,303.18x = 6,049,758.44
  5. Step 5: Solve for x
    x = 6,049,758.44/3,303.18
  6. Step 6: Final answer
    x = 1,831.50

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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.