Home / 2,356.16-3,251.31-1,361.84

Finding the Fourth Proportional to 2,356.16, 3,251.31 and 1,361.84

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Solution

The fourth proportional to 2,356.16, 3,251.31 and 1,361.84 is: 1,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.16 : 3,251.31 = 1,361.84 : x
  2. Step 2: Convert to fraction form
    2,356.16/3,251.31 = 1,361.84/x
  3. Step 3: Cross multiply
    2,356.16x = 3,251.31 × 1,361.84
  4. Step 4: Simplify right side
    2,356.16x = 4,427,764.01
  5. Step 5: Solve for x
    x = 4,427,764.01/2,356.16
  6. Step 6: Final answer
    x = 1,879.23

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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.