Home / 1,847.24-2,769.83-613.99

Finding the Fourth Proportional to 1,847.24, 2,769.83 and 613.99

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Solution

The fourth proportional to 1,847.24, 2,769.83 and 613.99 is: 920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.24 : 2,769.83 = 613.99 : x
  2. Step 2: Convert to fraction form
    1,847.24/2,769.83 = 613.99/x
  3. Step 3: Cross multiply
    1,847.24x = 2,769.83 × 613.99
  4. Step 4: Simplify right side
    1,847.24x = 1,700,647.92
  5. Step 5: Solve for x
    x = 1,700,647.92/1,847.24
  6. Step 6: Final answer
    x = 920.64

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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.