Home / 3,222.08-4,830.24-1,682.72

Finding the Fourth Proportional to 3,222.08, 4,830.24 and 1,682.72

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Solution

The fourth proportional to 3,222.08, 4,830.24 and 1,682.72 is: 2,522.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.08 : 4,830.24 = 1,682.72 : x
  2. Step 2: Convert to fraction form
    3,222.08/4,830.24 = 1,682.72/x
  3. Step 3: Cross multiply
    3,222.08x = 4,830.24 × 1,682.72
  4. Step 4: Simplify right side
    3,222.08x = 8,127,941.45
  5. Step 5: Solve for x
    x = 8,127,941.45/3,222.08
  6. Step 6: Final answer
    x = 2,522.58

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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.