Home / 2,622.55-3,933.83-1,161.71

Finding the Fourth Proportional to 2,622.55, 3,933.83 and 1,161.71

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Solution

The fourth proportional to 2,622.55, 3,933.83 and 1,161.71 is: 1,742.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.55 : 3,933.83 = 1,161.71 : x
  2. Step 2: Convert to fraction form
    2,622.55/3,933.83 = 1,161.71/x
  3. Step 3: Cross multiply
    2,622.55x = 3,933.83 × 1,161.71
  4. Step 4: Simplify right side
    2,622.55x = 4,569,969.65
  5. Step 5: Solve for x
    x = 4,569,969.65/2,622.55
  6. Step 6: Final answer
    x = 1,742.57

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Similar ratio
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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.