Home / 2,395.85-3,308.45-1,805.36

Finding the Fourth Proportional to 2,395.85, 3,308.45 and 1,805.36

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Solution

The fourth proportional to 2,395.85, 3,308.45 and 1,805.36 is: 2,493.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.85 : 3,308.45 = 1,805.36 : x
  2. Step 2: Convert to fraction form
    2,395.85/3,308.45 = 1,805.36/x
  3. Step 3: Cross multiply
    2,395.85x = 3,308.45 × 1,805.36
  4. Step 4: Simplify right side
    2,395.85x = 5,972,917.72
  5. Step 5: Solve for x
    x = 5,972,917.72/2,395.85
  6. Step 6: Final answer
    x = 2,493.03

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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.