Home / 1,747.22-2,618.24-1,191.56

Finding the Fourth Proportional to 1,747.22, 2,618.24 and 1,191.56

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Solution

The fourth proportional to 1,747.22, 2,618.24 and 1,191.56 is: 1,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.22 : 2,618.24 = 1,191.56 : x
  2. Step 2: Convert to fraction form
    1,747.22/2,618.24 = 1,191.56/x
  3. Step 3: Cross multiply
    1,747.22x = 2,618.24 × 1,191.56
  4. Step 4: Simplify right side
    1,747.22x = 3,119,771.01
  5. Step 5: Solve for x
    x = 3,119,771.01/1,747.22
  6. Step 6: Final answer
    x = 1,785.57

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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.