Home / 3,103.13-4,282.32-1,705.97

Finding the Fourth Proportional to 3,103.13, 4,282.32 and 1,705.97

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Solution

The fourth proportional to 3,103.13, 4,282.32 and 1,705.97 is: 2,354.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.13 : 4,282.32 = 1,705.97 : x
  2. Step 2: Convert to fraction form
    3,103.13/4,282.32 = 1,705.97/x
  3. Step 3: Cross multiply
    3,103.13x = 4,282.32 × 1,705.97
  4. Step 4: Simplify right side
    3,103.13x = 7,305,488.04
  5. Step 5: Solve for x
    x = 7,305,488.04/3,103.13
  6. Step 6: Final answer
    x = 2,354.24

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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.