Home / 2,491.09-3,735.61-1,828.86

Finding the Fourth Proportional to 2,491.09, 3,735.61 and 1,828.86

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Solution

The fourth proportional to 2,491.09, 3,735.61 and 1,828.86 is: 2,742.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.09 : 3,735.61 = 1,828.86 : x
  2. Step 2: Convert to fraction form
    2,491.09/3,735.61 = 1,828.86/x
  3. Step 3: Cross multiply
    2,491.09x = 3,735.61 × 1,828.86
  4. Step 4: Simplify right side
    2,491.09x = 6,831,907.70
  5. Step 5: Solve for x
    x = 6,831,907.70/2,491.09
  6. Step 6: Final answer
    x = 2,742.54

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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.