Home / 1,847.00-2,769.45-613.74

Finding the Fourth Proportional to 1,847.00, 2,769.45 and 613.74

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Solution

The fourth proportional to 1,847.00, 2,769.45 and 613.74 is: 920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.00 : 2,769.45 = 613.74 : x
  2. Step 2: Convert to fraction form
    1,847.00/2,769.45 = 613.74/x
  3. Step 3: Cross multiply
    1,847.00x = 2,769.45 × 613.74
  4. Step 4: Simplify right side
    1,847.00x = 1,699,722.24
  5. Step 5: Solve for x
    x = 1,699,722.24/1,847.00
  6. Step 6: Final answer
    x = 920.26

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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.