Home / 1,792.12-2,469.88-1,325.56

Finding the Fourth Proportional to 1,792.12, 2,469.88 and 1,325.56

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Solution

The fourth proportional to 1,792.12, 2,469.88 and 1,325.56 is: 1,826.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792.12 : 2,469.88 = 1,325.56 : x
  2. Step 2: Convert to fraction form
    1,792.12/2,469.88 = 1,325.56/x
  3. Step 3: Cross multiply
    1,792.12x = 2,469.88 × 1,325.56
  4. Step 4: Simplify right side
    1,792.12x = 3,273,974.13
  5. Step 5: Solve for x
    x = 3,273,974.13/1,792.12
  6. Step 6: Final answer
    x = 1,826.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.