Home / 2,436.46-3,361.44-1,387.92

Finding the Fourth Proportional to 2,436.46, 3,361.44 and 1,387.92

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Solution

The fourth proportional to 2,436.46, 3,361.44 and 1,387.92 is: 1,914.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.46 : 3,361.44 = 1,387.92 : x
  2. Step 2: Convert to fraction form
    2,436.46/3,361.44 = 1,387.92/x
  3. Step 3: Cross multiply
    2,436.46x = 3,361.44 × 1,387.92
  4. Step 4: Simplify right side
    2,436.46x = 4,665,393.00
  5. Step 5: Solve for x
    x = 4,665,393.00/2,436.46
  6. Step 6: Final answer
    x = 1,914.82

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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.