Home / 3,103.10-4,282.23-1,705.82

Finding the Fourth Proportional to 3,103.10, 4,282.23 and 1,705.82

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Solution

The fourth proportional to 3,103.10, 4,282.23 and 1,705.82 is: 2,354.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.10 : 4,282.23 = 1,705.82 : x
  2. Step 2: Convert to fraction form
    3,103.10/4,282.23 = 1,705.82/x
  3. Step 3: Cross multiply
    3,103.10x = 4,282.23 × 1,705.82
  4. Step 4: Simplify right side
    3,103.10x = 7,304,713.58
  5. Step 5: Solve for x
    x = 7,304,713.58/3,103.10
  6. Step 6: Final answer
    x = 2,354.01

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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.