Home / 1,846.45-2,769.40-613.83

Finding the Fourth Proportional to 1,846.45, 2,769.40 and 613.83

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Solution

The fourth proportional to 1,846.45, 2,769.40 and 613.83 is: 920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.45 : 2,769.40 = 613.83 : x
  2. Step 2: Convert to fraction form
    1,846.45/2,769.40 = 613.83/x
  3. Step 3: Cross multiply
    1,846.45x = 2,769.40 × 613.83
  4. Step 4: Simplify right side
    1,846.45x = 1,699,940.80
  5. Step 5: Solve for x
    x = 1,699,940.80/1,846.45
  6. Step 6: Final answer
    x = 920.65

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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.