Home / 3,787.05-5,681.99-1,706.43

Finding the Fourth Proportional to 3,787.05, 5,681.99 and 1,706.43

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Solution

The fourth proportional to 3,787.05, 5,681.99 and 1,706.43 is: 2,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.05 : 5,681.99 = 1,706.43 : x
  2. Step 2: Convert to fraction form
    3,787.05/5,681.99 = 1,706.43/x
  3. Step 3: Cross multiply
    3,787.05x = 5,681.99 × 1,706.43
  4. Step 4: Simplify right side
    3,787.05x = 9,695,918.20
  5. Step 5: Solve for x
    x = 9,695,918.20/3,787.05
  6. Step 6: Final answer
    x = 2,560.28

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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.