Home / 3,245.80-4,869.18-1,297.96

Finding the Fourth Proportional to 3,245.80, 4,869.18 and 1,297.96

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Solution

The fourth proportional to 3,245.80, 4,869.18 and 1,297.96 is: 1,947.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.80 : 4,869.18 = 1,297.96 : x
  2. Step 2: Convert to fraction form
    3,245.80/4,869.18 = 1,297.96/x
  3. Step 3: Cross multiply
    3,245.80x = 4,869.18 × 1,297.96
  4. Step 4: Simplify right side
    3,245.80x = 6,320,000.87
  5. Step 5: Solve for x
    x = 6,320,000.87/3,245.80
  6. Step 6: Final answer
    x = 1,947.13

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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.