Home / 2,356.35-3,251.91-1,361.67

Finding the Fourth Proportional to 2,356.35, 3,251.91 and 1,361.67

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Solution

The fourth proportional to 2,356.35, 3,251.91 and 1,361.67 is: 1,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.35 : 3,251.91 = 1,361.67 : x
  2. Step 2: Convert to fraction form
    2,356.35/3,251.91 = 1,361.67/x
  3. Step 3: Cross multiply
    2,356.35x = 3,251.91 × 1,361.67
  4. Step 4: Simplify right side
    2,356.35x = 4,428,028.29
  5. Step 5: Solve for x
    x = 4,428,028.29/2,356.35
  6. Step 6: Final answer
    x = 1,879.19

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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.