Home / 3,103.88-4,283.35-1,706.63

Finding the Fourth Proportional to 3,103.88, 4,283.35 and 1,706.63

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Solution

The fourth proportional to 3,103.88, 4,283.35 and 1,706.63 is: 2,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.88 : 4,283.35 = 1,706.63 : x
  2. Step 2: Convert to fraction form
    3,103.88/4,283.35 = 1,706.63/x
  3. Step 3: Cross multiply
    3,103.88x = 4,283.35 × 1,706.63
  4. Step 4: Simplify right side
    3,103.88x = 7,310,067.93
  5. Step 5: Solve for x
    x = 7,310,067.93/3,103.88
  6. Step 6: Final answer
    x = 2,355.14

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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.