Home / 3,967.58-5,941.96-3,143.21

Finding the Fourth Proportional to 3,967.58, 5,941.96 and 3,143.21

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Solution

The fourth proportional to 3,967.58, 5,941.96 and 3,143.21 is: 4,707.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.58 : 5,941.96 = 3,143.21 : x
  2. Step 2: Convert to fraction form
    3,967.58/5,941.96 = 3,143.21/x
  3. Step 3: Cross multiply
    3,967.58x = 5,941.96 × 3,143.21
  4. Step 4: Simplify right side
    3,967.58x = 18,676,790.52
  5. Step 5: Solve for x
    x = 18,676,790.52/3,967.58
  6. Step 6: Final answer
    x = 4,707.35

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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.