Home / 3,965.90-5,472.83-2,173.36

Finding the Fourth Proportional to 3,965.90, 5,472.83 and 2,173.36

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Solution

The fourth proportional to 3,965.90, 5,472.83 and 2,173.36 is: 2,999.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.90 : 5,472.83 = 2,173.36 : x
  2. Step 2: Convert to fraction form
    3,965.90/5,472.83 = 2,173.36/x
  3. Step 3: Cross multiply
    3,965.90x = 5,472.83 × 2,173.36
  4. Step 4: Simplify right side
    3,965.90x = 11,894,430.35
  5. Step 5: Solve for x
    x = 11,894,430.35/3,965.90
  6. Step 6: Final answer
    x = 2,999.17

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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.