Home / 3,241.76-4,861.90-1,267.43

Finding the Fourth Proportional to 3,241.76, 4,861.90 and 1,267.43

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Solution

The fourth proportional to 3,241.76, 4,861.90 and 1,267.43 is: 1,900.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.76 : 4,861.90 = 1,267.43 : x
  2. Step 2: Convert to fraction form
    3,241.76/4,861.90 = 1,267.43/x
  3. Step 3: Cross multiply
    3,241.76x = 4,861.90 × 1,267.43
  4. Step 4: Simplify right side
    3,241.76x = 6,162,111.58
  5. Step 5: Solve for x
    x = 6,162,111.58/3,241.76
  6. Step 6: Final answer
    x = 1,900.86

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1.5x scale

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.