Home / 2,491.06-3,733.09-1,380.99

Finding the Fourth Proportional to 2,491.06, 3,733.09 and 1,380.99

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Solution

The fourth proportional to 2,491.06, 3,733.09 and 1,380.99 is: 2,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.06 : 3,733.09 = 1,380.99 : x
  2. Step 2: Convert to fraction form
    2,491.06/3,733.09 = 1,380.99/x
  3. Step 3: Cross multiply
    2,491.06x = 3,733.09 × 1,380.99
  4. Step 4: Simplify right side
    2,491.06x = 5,155,357.28
  5. Step 5: Solve for x
    x = 5,155,357.28/2,491.06
  6. Step 6: Final answer
    x = 2,069.54

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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.