Home / 3,787.74-5,682.15-1,839.69

Finding the Fourth Proportional to 3,787.74, 5,682.15 and 1,839.69

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Solution

The fourth proportional to 3,787.74, 5,682.15 and 1,839.69 is: 2,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.74 : 5,682.15 = 1,839.69 : x
  2. Step 2: Convert to fraction form
    3,787.74/5,682.15 = 1,839.69/x
  3. Step 3: Cross multiply
    3,787.74x = 5,682.15 × 1,839.69
  4. Step 4: Simplify right side
    3,787.74x = 10,453,394.53
  5. Step 5: Solve for x
    x = 10,453,394.53/3,787.74
  6. Step 6: Final answer
    x = 2,759.80

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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.