Home / 3,961.08-5,941.64-2,421.72

Finding the Fourth Proportional to 3,961.08, 5,941.64 and 2,421.72

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Solution

The fourth proportional to 3,961.08, 5,941.64 and 2,421.72 is: 3,632.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.08 : 5,941.64 = 2,421.72 : x
  2. Step 2: Convert to fraction form
    3,961.08/5,941.64 = 2,421.72/x
  3. Step 3: Cross multiply
    3,961.08x = 5,941.64 × 2,421.72
  4. Step 4: Simplify right side
    3,961.08x = 14,388,988.42
  5. Step 5: Solve for x
    x = 14,388,988.42/3,961.08
  6. Step 6: Final answer
    x = 3,632.59

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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.